Finding the Third Proportional to 414,469 and 619,135.88

Step by Step Solution

1. Step 1: Write the proportion equation
   414,469 : 619,135.88 = 619,135.88 : x
2. Step 2: Convert to fraction form
   414,469/619,135.88 = 619,135.88/x
3. Step 3: Cross multiply
   414,469x = 619,135.88 × 619,135.88
4. Step 4: Simplify right side
   414,469x = 383,329,231,712.02
5. Step 5: Solve for x
   x = 383,329,231,712.02/414,469
6. Step 6: Final answer
   x = 924,868.28