Finding the Third Proportional to 131,901.50 and 311,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,901.50 : 311,055.50 = 311,055.50 : x
2. Step 2: Convert to fraction form
   131,901.50/311,055.50 = 311,055.50/x
3. Step 3: Cross multiply
   131,901.50x = 311,055.50 × 311,055.50
4. Step 4: Simplify right side
   131,901.50x = 96,755,524,080.25
5. Step 5: Solve for x
   x = 96,755,524,080.25/131,901.50
6. Step 6: Final answer
   x = 733,543.77