Finding the Third Proportional to 57,639.41 and 87,227.98

Step by Step Solution

1. Step 1: Write the proportion equation
   57,639.41 : 87,227.98 = 87,227.98 : x
2. Step 2: Convert to fraction form
   57,639.41/87,227.98 = 87,227.98/x
3. Step 3: Cross multiply
   57,639.41x = 87,227.98 × 87,227.98
4. Step 4: Simplify right side
   57,639.41x = 7,608,720,917.39
5. Step 5: Solve for x
   x = 7,608,720,917.39/57,639.41
6. Step 6: Final answer
   x = 132,005.53