Cyr, 1, 1.4

[Constantinus Philo]

καὶ γάρ τοι τοσοῦτον διήνεγκε τῶν ἄλλων βασιλέων, καὶ τῶν πατρίους ἀρχὰς παρειληφότων καὶ τῶν δι᾽ ἑαυτῶν κτησαμένων, ὥσθ᾽ ὁ μὲν Σκύθης καίπερ παμπόλλων ὄντων Σκυθῶν ἄλλου μὲν οὐδενὸς δύναιτ᾽ ἂν ἔθνους ἐπάρξαι,
It looks like a consecutive sentence but probably ὥσθ᾽ introduces here an independent statement.

[Hylander]

καὶ γάρ τοι τοσοῦτον διήνεγκε τῶν ἄλλων βασιλέων, καὶ τῶν πατρίους ἀρχὰς παρειληφότων καὶ τῶν δι᾽ ἑαυτῶν κτησαμένων,

ὥσθ᾽

ὁ μὲν Σκύθης καίπερ παμπόλλων ὄντων Σκυθῶν ἄλλου μὲν οὐδενὸς δύναιτ᾽ ἂν ἔθνους ἐπάρξαι, ἀγαπῴη δ᾽ ἂν εἰ τοῦ ἑαυτοῦ ἔθνους ἄρχων διαγένοιτο, καὶ ὁ Θρᾷξ Θρᾳκῶν καὶ ὁ Ἰλλυριὸς Ἰλλυριῶν, καὶ τἆλλα δὲ ὡσαύτως ἔθνη ἀκούομεν τὰ γοῦν ἐν τῇ Εὐρώπῃ ἔτι καὶ νῦν αὐτόνομα εἶναι λέγεται καὶ λελύσθαι ἀπ᾽ ἀλλήλων:

Κῦρος δὲ παραλαβὼν ὡσαύτως οὕτω καὶ τὰ ἐν τῇ Ἀσίᾳ ἔθνη αὐτόνομα ὄντα ὁρμηθεὶς σὺν ὀλίγῃ Περσῶν στρατιᾷ ἑκόντων μὲν ἡγήσατο Μήδων, ἑκόντων δὲ Ὑρκανίων, κατεστρέψατο δὲ Σύρους, Ἀσσυρίους, Ἀραβίους, Καππαδόκας, Φρύγας ἀμφοτέρους, Λυδούς, Κᾶρας, Φοίνικας, Βαβυλωνίους, ἦρξε δὲ Βακτρίων καὶ Ἰνδῶν καὶ Κιλίκων, ὡσαύτως δὲ Σακῶν καὶ Παφλαγόνων καὶ Μαγαδιδῶν, καὶ ἄλλων δὲ παμπόλλων ἐθνῶν, ὧν οὐδ᾽ ἂν τὰ ὀνόματα ἔχοι τις εἰπεῖν, ἐπῆρξε δὲ καὶ Ἑλλήνων τῶν ἐν τῇ Ἀσίᾳ, καταβὰς δ᾽ ἐπὶ θάλατταν καὶ Κυπρίων καὶ Αἰγυπτίων.

τοσοῦτον . . . ὥσθ᾽ marks everything that follows ὥσθ᾽ through Αἰγυπτίων as a long consecutive/result clause, articulated by a μὲν . . . δὲ contrast.

The thrust is: Cyrus was such an extraordinary king, that other kings were unable to establish dominion over nations other than their own, but Cyrus managed to conquer and rule a large number of nations.

Actual result, so the verbs are finite, not infinitive.