Finding the Third Proportional to 57,151.50 and 88,620.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,151.50 : 88,620.38 = 88,620.38 : x
2. Step 2: Convert to fraction form
   57,151.50/88,620.38 = 88,620.38/x
3. Step 3: Cross multiply
   57,151.50x = 88,620.38 × 88,620.38
4. Step 4: Simplify right side
   57,151.50x = 7,853,570,865.14
5. Step 5: Solve for x
   x = 7,853,570,865.14/57,151.50
6. Step 6: Final answer
   x = 137,416.71