Finding the Third Proportional to 12,748 and 17,175

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748 : 17,175 = 17,175 : x
2. Step 2: Convert to fraction form
   12,748/17,175 = 17,175/x
3. Step 3: Cross multiply
   12,748x = 17,175 × 17,175
4. Step 4: Simplify right side
   12,748x = 294,980,625
5. Step 5: Solve for x
   x = 294,980,625/12,748
6. Step 6: Final answer
   x = 23,139.36