Finding the Third Proportional to 8,241.25 and 12,757.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,241.25 : 12,757.25 = 12,757.25 : x
2. Step 2: Convert to fraction form
   8,241.25/12,757.25 = 12,757.25/x
3. Step 3: Cross multiply
   8,241.25x = 12,757.25 × 12,757.25
4. Step 4: Simplify right side
   8,241.25x = 162,747,427.56
5. Step 5: Solve for x
   x = 162,747,427.56/8,241.25
6. Step 6: Final answer
   x = 19,747.91