Finding the Third Proportional to 3,862.37 and 8,271.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,862.37 : 8,271.49 = 8,271.49 : x
2. Step 2: Convert to fraction form
   3,862.37/8,271.49 = 8,271.49/x
3. Step 3: Cross multiply
   3,862.37x = 8,271.49 × 8,271.49
4. Step 4: Simplify right side
   3,862.37x = 68,417,583.01
5. Step 5: Solve for x
   x = 68,417,583.01/3,862.37
6. Step 6: Final answer
   x = 17,713.88