Finding the Third Proportional to 92,892 and 139,548

Step by Step Solution

1. Step 1: Write the proportion equation
   92,892 : 139,548 = 139,548 : x
2. Step 2: Convert to fraction form
   92,892/139,548 = 139,548/x
3. Step 3: Cross multiply
   92,892x = 139,548 × 139,548
4. Step 4: Simplify right side
   92,892x = 19,473,644,304
5. Step 5: Solve for x
   x = 19,473,644,304/92,892
6. Step 6: Final answer
   x = 209,637.47