Finding the Third Proportional to 12,170.25 and 25,805.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,170.25 : 25,805.25 = 25,805.25 : x
2. Step 2: Convert to fraction form
   12,170.25/25,805.25 = 25,805.25/x
3. Step 3: Cross multiply
   12,170.25x = 25,805.25 × 25,805.25
4. Step 4: Simplify right side
   12,170.25x = 665,910,927.56
5. Step 5: Solve for x
   x = 665,910,927.56/12,170.25
6. Step 6: Final answer
   x = 54,716.29