Finding the Third Proportional to 131,959.13 and 311,200.31

Step by Step Solution

1. Step 1: Write the proportion equation
   131,959.13 : 311,200.31 = 311,200.31 : x
2. Step 2: Convert to fraction form
   131,959.13/311,200.31 = 311,200.31/x
3. Step 3: Cross multiply
   131,959.13x = 311,200.31 × 311,200.31
4. Step 4: Simplify right side
   131,959.13x = 96,845,634,500.10
5. Step 5: Solve for x
   x = 96,845,634,500.10/131,959.13
6. Step 6: Final answer
   x = 733,906.31