Finding the Third Proportional to 12,741.75 and 17,259.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,741.75 : 17,259.75 = 17,259.75 : x
2. Step 2: Convert to fraction form
   12,741.75/17,259.75 = 17,259.75/x
3. Step 3: Cross multiply
   12,741.75x = 17,259.75 × 17,259.75
4. Step 4: Simplify right side
   12,741.75x = 297,898,970.06
5. Step 5: Solve for x
   x = 297,898,970.06/12,741.75
6. Step 6: Final answer
   x = 23,379.75