Finding the Third Proportional to 331,536 and 723,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   331,536 : 723,799.50 = 723,799.50 : x
2. Step 2: Convert to fraction form
   331,536/723,799.50 = 723,799.50/x
3. Step 3: Cross multiply
   331,536x = 723,799.50 × 723,799.50
4. Step 4: Simplify right side
   331,536x = 523,885,716,200.25
5. Step 5: Solve for x
   x = 523,885,716,200.25/331,536
6. Step 6: Final answer
   x = 1,580,177.47