The readers should understand that Solomon probably commanded other people to do the actual work. Alternate translation: "Solomon's workers made" (See: [[rc://en/ta/man/translate/figs-metonymy]])
This can be stated in active form. Possible meanings are 1) there was so much bronze no one tried to weigh it. Alternate translation: "no one even tried to weigh the bronze" or 2) this is a hyperbole that emphasizes the great amount of bronze. Alternate translation: "no one could even determine how much all the bronze weighed" (See: [[rc://en/ta/man/translate/figs-activepassive]] and [[rc://en/ta/man/translate/figs-hyperbole]])