Finding the Third Proportional to 3,867,587 and 8,196,198

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,587 : 8,196,198 = 8,196,198 : x
2. Step 2: Convert to fraction form
   3,867,587/8,196,198 = 8,196,198/x
3. Step 3: Cross multiply
   3,867,587x = 8,196,198 × 8,196,198
4. Step 4: Simplify right side
   3,867,587x = 67,177,661,655,204
5. Step 5: Solve for x
   x = 67,177,661,655,204/3,867,587
6. Step 6: Final answer
   x = 17,369,398.97