Finding the Third Proportional to 1,128 and 2,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128 : 2,422 = 2,422 : x
2. Step 2: Convert to fraction form
   1,128/2,422 = 2,422/x
3. Step 3: Cross multiply
   1,128x = 2,422 × 2,422
4. Step 4: Simplify right side
   1,128x = 5,866,084
5. Step 5: Solve for x
   x = 5,866,084/1,128
6. Step 6: Final answer
   x = 5,200.43