Finding the Third Proportional to 8,449.50 and 18,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,449.50 : 18,271.50 = 18,271.50 : x
2. Step 2: Convert to fraction form
   8,449.50/18,271.50 = 18,271.50/x
3. Step 3: Cross multiply
   8,449.50x = 18,271.50 × 18,271.50
4. Step 4: Simplify right side
   8,449.50x = 333,847,712.25
5. Step 5: Solve for x
   x = 333,847,712.25/8,449.50
6. Step 6: Final answer
   x = 39,510.94