Finding the Third Proportional to 59,621.50 and 126,348.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,621.50 : 126,348.50 = 126,348.50 : x
2. Step 2: Convert to fraction form
   59,621.50/126,348.50 = 126,348.50/x
3. Step 3: Cross multiply
   59,621.50x = 126,348.50 × 126,348.50
4. Step 4: Simplify right side
   59,621.50x = 15,963,943,452.25
5. Step 5: Solve for x
   x = 15,963,943,452.25/59,621.50
6. Step 6: Final answer
   x = 267,754.81