Finding the Third Proportional to 2,647,646 and 5,715,193

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,646 : 5,715,193 = 5,715,193 : x
2. Step 2: Convert to fraction form
   2,647,646/5,715,193 = 5,715,193/x
3. Step 3: Cross multiply
   2,647,646x = 5,715,193 × 5,715,193
4. Step 4: Simplify right side
   2,647,646x = 32,663,431,027,249
5. Step 5: Solve for x
   x = 32,663,431,027,249/2,647,646
6. Step 6: Final answer
   x = 12,336,781.82