Finding the Third Proportional to 329,182.50 and 707,472

Step by Step Solution

1. Step 1: Write the proportion equation
   329,182.50 : 707,472 = 707,472 : x
2. Step 2: Convert to fraction form
   329,182.50/707,472 = 707,472/x
3. Step 3: Cross multiply
   329,182.50x = 707,472 × 707,472
4. Step 4: Simplify right side
   329,182.50x = 500,516,630,784
5. Step 5: Solve for x
   x = 500,516,630,784/329,182.50
6. Step 6: Final answer
   x = 1,520,483.72