Finding the Third Proportional to 131,788 and 310,952.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,788 : 310,952.50 = 310,952.50 : x
2. Step 2: Convert to fraction form
   131,788/310,952.50 = 310,952.50/x
3. Step 3: Cross multiply
   131,788x = 310,952.50 × 310,952.50
4. Step 4: Simplify right side
   131,788x = 96,691,457,256.25
5. Step 5: Solve for x
   x = 96,691,457,256.25/131,788
6. Step 6: Final answer
   x = 733,689.39