Finding the Third Proportional to 125,304.50 and 275,419

Step by Step Solution

1. Step 1: Write the proportion equation
   125,304.50 : 275,419 = 275,419 : x
2. Step 2: Convert to fraction form
   125,304.50/275,419 = 275,419/x
3. Step 3: Cross multiply
   125,304.50x = 275,419 × 275,419
4. Step 4: Simplify right side
   125,304.50x = 75,855,625,561
5. Step 5: Solve for x
   x = 75,855,625,561/125,304.50
6. Step 6: Final answer
   x = 605,370.32