Finding the Third Proportional to 17,418.38 and 25,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,418.38 : 25,717.50 = 25,717.50 : x
2. Step 2: Convert to fraction form
   17,418.38/25,717.50 = 25,717.50/x
3. Step 3: Cross multiply
   17,418.38x = 25,717.50 × 25,717.50
4. Step 4: Simplify right side
   17,418.38x = 661,389,806.25
5. Step 5: Solve for x
   x = 661,389,806.25/17,418.38
6. Step 6: Final answer
   x = 37,970.81