Finding the Third Proportional to 57,585 and 88,839

Step by Step Solution

1. Step 1: Write the proportion equation
   57,585 : 88,839 = 88,839 : x
2. Step 2: Convert to fraction form
   57,585/88,839 = 88,839/x
3. Step 3: Cross multiply
   57,585x = 88,839 × 88,839
4. Step 4: Simplify right side
   57,585x = 7,892,367,921
5. Step 5: Solve for x
   x = 7,892,367,921/57,585
6. Step 6: Final answer
   x = 137,055.97