Finding the Third Proportional to 57,207.09 and 88,578.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,207.09 : 88,578.56 = 88,578.56 : x
2. Step 2: Convert to fraction form
   57,207.09/88,578.56 = 88,578.56/x
3. Step 3: Cross multiply
   57,207.09x = 88,578.56 × 88,578.56
4. Step 4: Simplify right side
   57,207.09x = 7,846,161,734.57
5. Step 5: Solve for x
   x = 7,846,161,734.57/57,207.09
6. Step 6: Final answer
   x = 137,153.65