Question 951937
Let the two short parts be 2x. And the long part is x+26:

2x + x + 26 = 692 Add 2x + x on left and subtract 26, both sides
3x = 666 divide both sides by 3
x = 222
Each of the short parts is 222 long and the long part is 222 + 26 = 248m
Proof: 222 + 222 + 248 = 692