Finding the Third Proportional to 447,081 and 676,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   447,081 : 676,399.50 = 676,399.50 : x
2. Step 2: Convert to fraction form
   447,081/676,399.50 = 676,399.50/x
3. Step 3: Cross multiply
   447,081x = 676,399.50 × 676,399.50
4. Step 4: Simplify right side
   447,081x = 457,516,283,600.25
5. Step 5: Solve for x
   x = 457,516,283,600.25/447,081
6. Step 6: Final answer
   x = 1,023,340.92