Finding the Third Proportional to 3,818.71 and 8,355.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.71 : 8,355.02 = 8,355.02 : x
2. Step 2: Convert to fraction form
   3,818.71/8,355.02 = 8,355.02/x
3. Step 3: Cross multiply
   3,818.71x = 8,355.02 × 8,355.02
4. Step 4: Simplify right side
   3,818.71x = 69,806,416.64
5. Step 5: Solve for x
   x = 69,806,416.64/3,818.71
6. Step 6: Final answer
   x = 18,280.12