Finding the Third Proportional to 11,408 and 17,960

Step by Step Solution

1. Step 1: Write the proportion equation
   11,408 : 17,960 = 17,960 : x
2. Step 2: Convert to fraction form
   11,408/17,960 = 17,960/x
3. Step 3: Cross multiply
   11,408x = 17,960 × 17,960
4. Step 4: Simplify right side
   11,408x = 322,561,600
5. Step 5: Solve for x
   x = 322,561,600/11,408
6. Step 6: Final answer
   x = 28,275.04