Finding the Third Proportional to 12,660 and 17,460

Step by Step Solution

1. Step 1: Write the proportion equation
   12,660 : 17,460 = 17,460 : x
2. Step 2: Convert to fraction form
   12,660/17,460 = 17,460/x
3. Step 3: Cross multiply
   12,660x = 17,460 × 17,460
4. Step 4: Simplify right side
   12,660x = 304,851,600
5. Step 5: Solve for x
   x = 304,851,600/12,660
6. Step 6: Final answer
   x = 24,079.91