Finding the Third Proportional to 2,647,768 and 5,715,368

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,768 : 5,715,368 = 5,715,368 : x
2. Step 2: Convert to fraction form
   2,647,768/5,715,368 = 5,715,368/x
3. Step 3: Cross multiply
   2,647,768x = 5,715,368 × 5,715,368
4. Step 4: Simplify right side
   2,647,768x = 32,665,431,375,424
5. Step 5: Solve for x
   x = 32,665,431,375,424/2,647,768
6. Step 6: Final answer
   x = 12,336,968.86