Finding the Third Proportional to 605,921.50 and 921,472

Step by Step Solution

1. Step 1: Write the proportion equation
   605,921.50 : 921,472 = 921,472 : x
2. Step 2: Convert to fraction form
   605,921.50/921,472 = 921,472/x
3. Step 3: Cross multiply
   605,921.50x = 921,472 × 921,472
4. Step 4: Simplify right side
   605,921.50x = 849,110,646,784
5. Step 5: Solve for x
   x = 849,110,646,784/605,921.50
6. Step 6: Final answer
   x = 1,401,354.21