Finding the Third Proportional to 55,129.36 and 82,476.98

Step by Step Solution

1. Step 1: Write the proportion equation
   55,129.36 : 82,476.98 = 82,476.98 : x
2. Step 2: Convert to fraction form
   55,129.36/82,476.98 = 82,476.98/x
3. Step 3: Cross multiply
   55,129.36x = 82,476.98 × 82,476.98
4. Step 4: Simplify right side
   55,129.36x = 6,802,452,951.59
5. Step 5: Solve for x
   x = 6,802,452,951.59/55,129.36
6. Step 6: Final answer
   x = 123,390.75