Finding the Third Proportional to 52,563.50 and 81,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,563.50 : 81,613.50 = 81,613.50 : x
2. Step 2: Convert to fraction form
   52,563.50/81,613.50 = 81,613.50/x
3. Step 3: Cross multiply
   52,563.50x = 81,613.50 × 81,613.50
4. Step 4: Simplify right side
   52,563.50x = 6,660,763,382.25
5. Step 5: Solve for x
   x = 6,660,763,382.25/52,563.50
6. Step 6: Final answer
   x = 126,718.41