Finding the Third Proportional to 86,338 and 116,653

Step by Step Solution

1. Step 1: Write the proportion equation
   86,338 : 116,653 = 116,653 : x
2. Step 2: Convert to fraction form
   86,338/116,653 = 116,653/x
3. Step 3: Cross multiply
   86,338x = 116,653 × 116,653
4. Step 4: Simplify right side
   86,338x = 13,607,922,409
5. Step 5: Solve for x
   x = 13,607,922,409/86,338
6. Step 6: Final answer
   x = 157,612.20