Finding the Third Proportional to 3,867,568 and 8,196,157

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,568 : 8,196,157 = 8,196,157 : x
2. Step 2: Convert to fraction form
   3,867,568/8,196,157 = 8,196,157/x
3. Step 3: Cross multiply
   3,867,568x = 8,196,157 × 8,196,157
4. Step 4: Simplify right side
   3,867,568x = 67,176,989,568,649
5. Step 5: Solve for x
   x = 67,176,989,568,649/3,867,568
6. Step 6: Final answer
   x = 17,369,310.53