Finding the Third Proportional to 297,760.50 and 649,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,760.50 : 649,057.50 = 649,057.50 : x
2. Step 2: Convert to fraction form
   297,760.50/649,057.50 = 649,057.50/x
3. Step 3: Cross multiply
   297,760.50x = 649,057.50 × 649,057.50
4. Step 4: Simplify right side
   297,760.50x = 421,275,638,306.25
5. Step 5: Solve for x
   x = 421,275,638,306.25/297,760.50
6. Step 6: Final answer
   x = 1,414,813.71