Finding the Third Proportional to 424,687.50 and 915,795

Step by Step Solution

1. Step 1: Write the proportion equation
   424,687.50 : 915,795 = 915,795 : x
2. Step 2: Convert to fraction form
   424,687.50/915,795 = 915,795/x
3. Step 3: Cross multiply
   424,687.50x = 915,795 × 915,795
4. Step 4: Simplify right side
   424,687.50x = 838,680,482,025
5. Step 5: Solve for x
   x = 838,680,482,025/424,687.50
6. Step 6: Final answer
   x = 1,974,817.91