Finding the Third Proportional to 518,121.50 and 799,294

Step by Step Solution

1. Step 1: Write the proportion equation
   518,121.50 : 799,294 = 799,294 : x
2. Step 2: Convert to fraction form
   518,121.50/799,294 = 799,294/x
3. Step 3: Cross multiply
   518,121.50x = 799,294 × 799,294
4. Step 4: Simplify right side
   518,121.50x = 638,870,898,436
5. Step 5: Solve for x
   x = 638,870,898,436/518,121.50
6. Step 6: Final answer
   x = 1,233,052.28