Finding the Third Proportional to 655,365.50 and 885,439

Step by Step Solution

1. Step 1: Write the proportion equation
   655,365.50 : 885,439 = 885,439 : x
2. Step 2: Convert to fraction form
   655,365.50/885,439 = 885,439/x
3. Step 3: Cross multiply
   655,365.50x = 885,439 × 885,439
4. Step 4: Simplify right side
   655,365.50x = 784,002,222,721
5. Step 5: Solve for x
   x = 784,002,222,721/655,365.50
6. Step 6: Final answer
   x = 1,196,282.41