Finding the Third Proportional to 10,864.50 and 17,268.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.50 : 17,268.75 = 17,268.75 : x
2. Step 2: Convert to fraction form
   10,864.50/17,268.75 = 17,268.75/x
3. Step 3: Cross multiply
   10,864.50x = 17,268.75 × 17,268.75
4. Step 4: Simplify right side
   10,864.50x = 298,209,726.56
5. Step 5: Solve for x
   x = 298,209,726.56/10,864.50
6. Step 6: Final answer
   x = 27,448.09