Finding the Third Proportional to 61,137.28 and 87,814.13

Step by Step Solution

1. Step 1: Write the proportion equation
   61,137.28 : 87,814.13 = 87,814.13 : x
2. Step 2: Convert to fraction form
   61,137.28/87,814.13 = 87,814.13/x
3. Step 3: Cross multiply
   61,137.28x = 87,814.13 × 87,814.13
4. Step 4: Simplify right side
   61,137.28x = 7,711,320,549.52
5. Step 5: Solve for x
   x = 7,711,320,549.52/61,137.28
6. Step 6: Final answer
   x = 126,131.23