Finding the Third Proportional to 57,947.91 and 87,734.39

Step by Step Solution

1. Step 1: Write the proportion equation
   57,947.91 : 87,734.39 = 87,734.39 : x
2. Step 2: Convert to fraction form
   57,947.91/87,734.39 = 87,734.39/x
3. Step 3: Cross multiply
   57,947.91x = 87,734.39 × 87,734.39
4. Step 4: Simplify right side
   57,947.91x = 7,697,323,298.34
5. Step 5: Solve for x
   x = 7,697,323,298.34/57,947.91
6. Step 6: Final answer
   x = 132,831.78