Finding the Third Proportional to 2,647,808 and 5,715,412

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,808 : 5,715,412 = 5,715,412 : x
2. Step 2: Convert to fraction form
   2,647,808/5,715,412 = 5,715,412/x
3. Step 3: Cross multiply
   2,647,808x = 5,715,412 × 5,715,412
4. Step 4: Simplify right side
   2,647,808x = 32,665,934,329,744
5. Step 5: Solve for x
   x = 32,665,934,329,744/2,647,808
6. Step 6: Final answer
   x = 12,336,972.44