Finding the Third Proportional to 12,988 and 17,610

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988 : 17,610 = 17,610 : x
2. Step 2: Convert to fraction form
   12,988/17,610 = 17,610/x
3. Step 3: Cross multiply
   12,988x = 17,610 × 17,610
4. Step 4: Simplify right side
   12,988x = 310,112,100
5. Step 5: Solve for x
   x = 310,112,100/12,988
6. Step 6: Final answer
   x = 23,876.82