Finding the Third Proportional to 414,439.50 and 619,098

Step by Step Solution

1. Step 1: Write the proportion equation
   414,439.50 : 619,098 = 619,098 : x
2. Step 2: Convert to fraction form
   414,439.50/619,098 = 619,098/x
3. Step 3: Cross multiply
   414,439.50x = 619,098 × 619,098
4. Step 4: Simplify right side
   414,439.50x = 383,282,333,604
5. Step 5: Solve for x
   x = 383,282,333,604/414,439.50
6. Step 6: Final answer
   x = 924,820.95