Finding the Third Proportional to 12,702 and 17,133.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,702 : 17,133.75 = 17,133.75 : x
2. Step 2: Convert to fraction form
   12,702/17,133.75 = 17,133.75/x
3. Step 3: Cross multiply
   12,702x = 17,133.75 × 17,133.75
4. Step 4: Simplify right side
   12,702x = 293,565,389.06
5. Step 5: Solve for x
   x = 293,565,389.06/12,702
6. Step 6: Final answer
   x = 23,111.75