Finding the Third Proportional to 3,910,193 and 8,177,908

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910,193 : 8,177,908 = 8,177,908 : x
2. Step 2: Convert to fraction form
   3,910,193/8,177,908 = 8,177,908/x
3. Step 3: Cross multiply
   3,910,193x = 8,177,908 × 8,177,908
4. Step 4: Simplify right side
   3,910,193x = 66,878,179,256,464
5. Step 5: Solve for x
   x = 66,878,179,256,464/3,910,193
6. Step 6: Final answer
   x = 17,103,549.43