Finding the Third Proportional to 5,404 and 12,448

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404 : 12,448 = 12,448 : x
2. Step 2: Convert to fraction form
   5,404/12,448 = 12,448/x
3. Step 3: Cross multiply
   5,404x = 12,448 × 12,448
4. Step 4: Simplify right side
   5,404x = 154,952,704
5. Step 5: Solve for x
   x = 154,952,704/5,404
6. Step 6: Final answer
   x = 28,673.71