Finding the Third Proportional to 17,040 and 26,109

Step by Step Solution

1. Step 1: Write the proportion equation
   17,040 : 26,109 = 26,109 : x
2. Step 2: Convert to fraction form
   17,040/26,109 = 26,109/x
3. Step 3: Cross multiply
   17,040x = 26,109 × 26,109
4. Step 4: Simplify right side
   17,040x = 681,679,881
5. Step 5: Solve for x
   x = 681,679,881/17,040
6. Step 6: Final answer
   x = 40,004.69