Finding the Third Proportional to 5,472 and 12,908

Step by Step Solution

1. Step 1: Write the proportion equation
   5,472 : 12,908 = 12,908 : x
2. Step 2: Convert to fraction form
   5,472/12,908 = 12,908/x
3. Step 3: Cross multiply
   5,472x = 12,908 × 12,908
4. Step 4: Simplify right side
   5,472x = 166,616,464
5. Step 5: Solve for x
   x = 166,616,464/5,472
6. Step 6: Final answer
   x = 30,448.92