Finding the Third Proportional to 3,867.75 and 8,327.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867.75 : 8,327.81 = 8,327.81 : x
2. Step 2: Convert to fraction form
   3,867.75/8,327.81 = 8,327.81/x
3. Step 3: Cross multiply
   3,867.75x = 8,327.81 × 8,327.81
4. Step 4: Simplify right side
   3,867.75x = 69,352,461.04
5. Step 5: Solve for x
   x = 69,352,461.04/3,867.75
6. Step 6: Final answer
   x = 17,930.96