Finding the Third Proportional to 472,634.50 and 726,472

Step by Step Solution

1. Step 1: Write the proportion equation
   472,634.50 : 726,472 = 726,472 : x
2. Step 2: Convert to fraction form
   472,634.50/726,472 = 726,472/x
3. Step 3: Cross multiply
   472,634.50x = 726,472 × 726,472
4. Step 4: Simplify right side
   472,634.50x = 527,761,566,784
5. Step 5: Solve for x
   x = 527,761,566,784/472,634.50
6. Step 6: Final answer
   x = 1,116,637.84