Finding the Third Proportional to 17,686.55 and 26,757.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,686.55 : 26,757.56 = 26,757.56 : x
2. Step 2: Convert to fraction form
   17,686.55/26,757.56 = 26,757.56/x
3. Step 3: Cross multiply
   17,686.55x = 26,757.56 × 26,757.56
4. Step 4: Simplify right side
   17,686.55x = 715,967,150.94
5. Step 5: Solve for x
   x = 715,967,150.94/17,686.55
6. Step 6: Final answer
   x = 40,480.89