Three days later Jeroboam and all the people returned to Rehoboam, as the king had said, "Come back to me in three days." (NIV)
So Jeroboam and all the people came to Rehoboam on the third day, as the king had appointed. (AMP)
So Jeroboam and all the people came to Rehoboam the third day, as the king had appointed, saying, Come to me again the third day. (KJV)