x:1 3/5=3 2/7:2 22/35.

х : 1 3/5 = 3 2/7 : 2 22/35
х : 1 3/5 = 23/7 : 92/35
х : 8/5 = 23/7 * 35/92
х : 8/5 = 1/1 * 5/4
х : 8/5 = 5/4
х = 5/4 * 8/5
х = 1/1 * 2/1
х = 2