Finding the Third Proportional to 82,512.56 and 123,951.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,512.56 : 123,951.09 = 123,951.09 : x
2. Step 2: Convert to fraction form
   82,512.56/123,951.09 = 123,951.09/x
3. Step 3: Cross multiply
   82,512.56x = 123,951.09 × 123,951.09
4. Step 4: Simplify right side
   82,512.56x = 15,363,873,641.82
5. Step 5: Solve for x
   x = 15,363,873,641.82/82,512.56
6. Step 6: Final answer
   x = 186,200.42