Finding the Third Proportional to 339,552 and 707,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,552 : 707,008.50 = 707,008.50 : x
2. Step 2: Convert to fraction form
   339,552/707,008.50 = 707,008.50/x
3. Step 3: Cross multiply
   339,552x = 707,008.50 × 707,008.50
4. Step 4: Simplify right side
   339,552x = 499,861,019,072.25
5. Step 5: Solve for x
   x = 499,861,019,072.25/339,552
6. Step 6: Final answer
   x = 1,472,119.20