Finding the Third Proportional to 126,616 and 270,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,616 : 270,179.50 = 270,179.50 : x
2. Step 2: Convert to fraction form
   126,616/270,179.50 = 270,179.50/x
3. Step 3: Cross multiply
   126,616x = 270,179.50 × 270,179.50
4. Step 4: Simplify right side
   126,616x = 72,996,962,220.25
5. Step 5: Solve for x
   x = 72,996,962,220.25/126,616
6. Step 6: Final answer
   x = 576,522.42