Finding the Third Proportional to 57,609 and 88,872

Step by Step Solution

1. Step 1: Write the proportion equation
   57,609 : 88,872 = 88,872 : x
2. Step 2: Convert to fraction form
   57,609/88,872 = 88,872/x
3. Step 3: Cross multiply
   57,609x = 88,872 × 88,872
4. Step 4: Simplify right side
   57,609x = 7,898,232,384
5. Step 5: Solve for x
   x = 7,898,232,384/57,609
6. Step 6: Final answer
   x = 137,100.67