Finding the Third Proportional to 6,558 and 7,422

Step by Step Solution

1. Step 1: Write the proportion equation
   6,558 : 7,422 = 7,422 : x
2. Step 2: Convert to fraction form
   6,558/7,422 = 7,422/x
3. Step 3: Cross multiply
   6,558x = 7,422 × 7,422
4. Step 4: Simplify right side
   6,558x = 55,086,084
5. Step 5: Solve for x
   x = 55,086,084/6,558
6. Step 6: Final answer
   x = 8,399.83