Finding the Third Proportional to 329,215.50 and 707,535

Step by Step Solution

1. Step 1: Write the proportion equation
   329,215.50 : 707,535 = 707,535 : x
2. Step 2: Convert to fraction form
   329,215.50/707,535 = 707,535/x
3. Step 3: Cross multiply
   329,215.50x = 707,535 × 707,535
4. Step 4: Simplify right side
   329,215.50x = 500,605,776,225
5. Step 5: Solve for x
   x = 500,605,776,225/329,215.50
6. Step 6: Final answer
   x = 1,520,602.09