Finding the Third Proportional to 417,096 and 915,405

Step by Step Solution

1. Step 1: Write the proportion equation
   417,096 : 915,405 = 915,405 : x
2. Step 2: Convert to fraction form
   417,096/915,405 = 915,405/x
3. Step 3: Cross multiply
   417,096x = 915,405 × 915,405
4. Step 4: Simplify right side
   417,096x = 837,966,314,025
5. Step 5: Solve for x
   x = 837,966,314,025/417,096
6. Step 6: Final answer
   x = 2,009,049.03