Finding the Third Proportional to 329,031 and 707,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,031 : 707,998.50 = 707,998.50 : x
2. Step 2: Convert to fraction form
   329,031/707,998.50 = 707,998.50/x
3. Step 3: Cross multiply
   329,031x = 707,998.50 × 707,998.50
4. Step 4: Simplify right side
   329,031x = 501,261,876,002.25
5. Step 5: Solve for x
   x = 501,261,876,002.25/329,031
6. Step 6: Final answer
   x = 1,523,448.78