Finding the Third Proportional to 332,532 and 688,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   332,532 : 688,711.50 = 688,711.50 : x
2. Step 2: Convert to fraction form
   332,532/688,711.50 = 688,711.50/x
3. Step 3: Cross multiply
   332,532x = 688,711.50 × 688,711.50
4. Step 4: Simplify right side
   332,532x = 474,323,530,232.25
5. Step 5: Solve for x
   x = 474,323,530,232.25/332,532
6. Step 6: Final answer
   x = 1,426,399.66