Finding the Third Proportional to 296,552.25 and 649,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,552.25 : 649,561.50 = 649,561.50 : x
2. Step 2: Convert to fraction form
   296,552.25/649,561.50 = 649,561.50/x
3. Step 3: Cross multiply
   296,552.25x = 649,561.50 × 649,561.50
4. Step 4: Simplify right side
   296,552.25x = 421,930,142,282.25
5. Step 5: Solve for x
   x = 421,930,142,282.25/296,552.25
6. Step 6: Final answer
   x = 1,422,785.17