Finding the Third Proportional to 88,892 and 137,604

Step by Step Solution

1. Step 1: Write the proportion equation
   88,892 : 137,604 = 137,604 : x
2. Step 2: Convert to fraction form
   88,892/137,604 = 137,604/x
3. Step 3: Cross multiply
   88,892x = 137,604 × 137,604
4. Step 4: Simplify right side
   88,892x = 18,934,860,816
5. Step 5: Solve for x
   x = 18,934,860,816/88,892
6. Step 6: Final answer
   x = 213,009.73