Finding the Third Proportional to 28,239.96 and 61,129.13

Step by Step Solution

1. Step 1: Write the proportion equation
   28,239.96 : 61,129.13 = 61,129.13 : x
2. Step 2: Convert to fraction form
   28,239.96/61,129.13 = 61,129.13/x
3. Step 3: Cross multiply
   28,239.96x = 61,129.13 × 61,129.13
4. Step 4: Simplify right side
   28,239.96x = 3,736,769,923.27
5. Step 5: Solve for x
   x = 3,736,769,923.27/28,239.96
6. Step 6: Final answer
   x = 132,322.06