Finding the Third Proportional to 3,910,197 and 8,177,916

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910,197 : 8,177,916 = 8,177,916 : x
2. Step 2: Convert to fraction form
   3,910,197/8,177,916 = 8,177,916/x
3. Step 3: Cross multiply
   3,910,197x = 8,177,916 × 8,177,916
4. Step 4: Simplify right side
   3,910,197x = 66,878,310,103,056
5. Step 5: Solve for x
   x = 66,878,310,103,056/3,910,197
6. Step 6: Final answer
   x = 17,103,565.40