Finding the Third Proportional to 12,726 and 17,268.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726 : 17,268.75 = 17,268.75 : x
2. Step 2: Convert to fraction form
   12,726/17,268.75 = 17,268.75/x
3. Step 3: Cross multiply
   12,726x = 17,268.75 × 17,268.75
4. Step 4: Simplify right side
   12,726x = 298,209,726.56
5. Step 5: Solve for x
   x = 298,209,726.56/12,726
6. Step 6: Final answer
   x = 23,433.11