Finding the Third Proportional to 3,665.25 and 8,150.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.25 : 8,150.63 = 8,150.63 : x
2. Step 2: Convert to fraction form
   3,665.25/8,150.63 = 8,150.63/x
3. Step 3: Cross multiply
   3,665.25x = 8,150.63 × 8,150.63
4. Step 4: Simplify right side
   3,665.25x = 66,432,687.89
5. Step 5: Solve for x
   x = 66,432,687.89/3,665.25
6. Step 6: Final answer
   x = 18,125.01