Finding the Third Proportional to 6,886 and 12,422

Step by Step Solution

1. Step 1: Write the proportion equation
   6,886 : 12,422 = 12,422 : x
2. Step 2: Convert to fraction form
   6,886/12,422 = 12,422/x
3. Step 3: Cross multiply
   6,886x = 12,422 × 12,422
4. Step 4: Simplify right side
   6,886x = 154,306,084
5. Step 5: Solve for x
   x = 154,306,084/6,886
6. Step 6: Final answer
   x = 22,408.67