Finding the Third Proportional to 2,697,640 and 5,644,675

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697,640 : 5,644,675 = 5,644,675 : x
2. Step 2: Convert to fraction form
   2,697,640/5,644,675 = 5,644,675/x
3. Step 3: Cross multiply
   2,697,640x = 5,644,675 × 5,644,675
4. Step 4: Simplify right side
   2,697,640x = 31,862,355,855,625
5. Step 5: Solve for x
   x = 31,862,355,855,625/2,697,640
6. Step 6: Final answer
   x = 11,811,196.40