Finding the Third Proportional to 418,452 and 915,150

Step by Step Solution

1. Step 1: Write the proportion equation
   418,452 : 915,150 = 915,150 : x
2. Step 2: Convert to fraction form
   418,452/915,150 = 915,150/x
3. Step 3: Cross multiply
   418,452x = 915,150 × 915,150
4. Step 4: Simplify right side
   418,452x = 837,499,522,500
5. Step 5: Solve for x
   x = 837,499,522,500/418,452
6. Step 6: Final answer
   x = 2,001,423.16