Finding the Third Proportional to 72,892 and 154,451

Step by Step Solution

1. Step 1: Write the proportion equation
   72,892 : 154,451 = 154,451 : x
2. Step 2: Convert to fraction form
   72,892/154,451 = 154,451/x
3. Step 3: Cross multiply
   72,892x = 154,451 × 154,451
4. Step 4: Simplify right side
   72,892x = 23,855,111,401
5. Step 5: Solve for x
   x = 23,855,111,401/72,892
6. Step 6: Final answer
   x = 327,266.52