Finding the Third Proportional to 86,625 and 116,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,625 : 116,788.50 = 116,788.50 : x
2. Step 2: Convert to fraction form
   86,625/116,788.50 = 116,788.50/x
3. Step 3: Cross multiply
   86,625x = 116,788.50 × 116,788.50
4. Step 4: Simplify right side
   86,625x = 13,639,553,732.25
5. Step 5: Solve for x
   x = 13,639,553,732.25/86,625
6. Step 6: Final answer
   x = 157,455.17