Finding the Third Proportional to 12,892 and 16,858

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892 : 16,858 = 16,858 : x
2. Step 2: Convert to fraction form
   12,892/16,858 = 16,858/x
3. Step 3: Cross multiply
   12,892x = 16,858 × 16,858
4. Step 4: Simplify right side
   12,892x = 284,192,164
5. Step 5: Solve for x
   x = 284,192,164/12,892
6. Step 6: Final answer
   x = 22,044.07