Jane is in trouble, stuck on a sandbar in the middle of a river. Hungry crocodiles are approaching, so Tarzan grabs a vine of length L = 19.9 m and swings from the left bank of the river. He grabs Jane, mid-swing, and together they barely reach the right bank of the river, which is 3.73 m lower than the left bank. Tarzan's and Jane's masses are 90.0 kg and 55.0 kg, respectively. Find the width of the river, in meters