Finding the Third Proportional to 3,865,108 and 8,197,928

Step by Step Solution

1. Step 1: Write the proportion equation
   3,865,108 : 8,197,928 = 8,197,928 : x
2. Step 2: Convert to fraction form
   3,865,108/8,197,928 = 8,197,928/x
3. Step 3: Cross multiply
   3,865,108x = 8,197,928 × 8,197,928
4. Step 4: Simplify right side
   3,865,108x = 67,206,023,493,184
5. Step 5: Solve for x
   x = 67,206,023,493,184/3,865,108
6. Step 6: Final answer
   x = 17,387,877.26