Finding the Third Proportional to 522,743.91 and 813,931.59

Step by Step Solution

1. Step 1: Write the proportion equation
   522,743.91 : 813,931.59 = 813,931.59 : x
2. Step 2: Convert to fraction form
   522,743.91/813,931.59 = 813,931.59/x
3. Step 3: Cross multiply
   522,743.91x = 813,931.59 × 813,931.59
4. Step 4: Simplify right side
   522,743.91x = 662,484,639,304.42
5. Step 5: Solve for x
   x = 662,484,639,304.42/522,743.91
6. Step 6: Final answer
   x = 1,267,321.59