Finding the Third Proportional to 28,240.13 and 61,129.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,240.13 : 61,129.38 = 61,129.38 : x
2. Step 2: Convert to fraction form
   28,240.13/61,129.38 = 61,129.38/x
3. Step 3: Cross multiply
   28,240.13x = 61,129.38 × 61,129.38
4. Step 4: Simplify right side
   28,240.13x = 3,736,800,487.89
5. Step 5: Solve for x
   x = 3,736,800,487.89/28,240.13
6. Step 6: Final answer
   x = 132,322.38