Finding the Third Proportional to 3,986.72 and 10,230.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.72 : 10,230.05 = 10,230.05 : x
2. Step 2: Convert to fraction form
   3,986.72/10,230.05 = 10,230.05/x
3. Step 3: Cross multiply
   3,986.72x = 10,230.05 × 10,230.05
4. Step 4: Simplify right side
   3,986.72x = 104,653,859.06
5. Step 5: Solve for x
   x = 104,653,859.06/3,986.72
6. Step 6: Final answer
   x = 26,250.63