Or HaChaim on Genesis 41:43/אור החיים על בראשית מ״א:מ״ג

1 "אברך, ונתון אותו על כל ארץ מצרים "On your knees!" and he has been appointed in charge of the whole land of Egypt. These two separate announcements were proclaimed in advance of the parade in which Joseph rode in a state coach. He was granted royalty-like status.