Finding the Third Proportional to 17,920 and 27,040

Step by Step Solution

1. Step 1: Write the proportion equation
   17,920 : 27,040 = 27,040 : x
2. Step 2: Convert to fraction form
   17,920/27,040 = 27,040/x
3. Step 3: Cross multiply
   17,920x = 27,040 × 27,040
4. Step 4: Simplify right side
   17,920x = 731,161,600
5. Step 5: Solve for x
   x = 731,161,600/17,920
6. Step 6: Final answer
   x = 40,801.43