Finding the Third Proportional to 12,004 and 18,422

Step by Step Solution

1. Step 1: Write the proportion equation
   12,004 : 18,422 = 18,422 : x
2. Step 2: Convert to fraction form
   12,004/18,422 = 18,422/x
3. Step 3: Cross multiply
   12,004x = 18,422 × 18,422
4. Step 4: Simplify right side
   12,004x = 339,370,084
5. Step 5: Solve for x
   x = 339,370,084/12,004
6. Step 6: Final answer
   x = 28,271.42