Finding the Third Proportional to 7,066 and 12,422

Step by Step Solution

1. Step 1: Write the proportion equation
   7,066 : 12,422 = 12,422 : x
2. Step 2: Convert to fraction form
   7,066/12,422 = 12,422/x
3. Step 3: Cross multiply
   7,066x = 12,422 × 12,422
4. Step 4: Simplify right side
   7,066x = 154,306,084
5. Step 5: Solve for x
   x = 154,306,084/7,066
6. Step 6: Final answer
   x = 21,837.83