Finding the Third Proportional to 3,863.63 and 8,326.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,863.63 : 8,326.88 = 8,326.88 : x
2. Step 2: Convert to fraction form
   3,863.63/8,326.88 = 8,326.88/x
3. Step 3: Cross multiply
   3,863.63x = 8,326.88 × 8,326.88
4. Step 4: Simplify right side
   3,863.63x = 69,336,847.27
5. Step 5: Solve for x
   x = 69,336,847.27/3,863.63
6. Step 6: Final answer
   x = 17,946.06