Finding the Third Proportional to 2,613,888 and 3,997,728

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,888 : 3,997,728 = 3,997,728 : x
2. Step 2: Convert to fraction form
   2,613,888/3,997,728 = 3,997,728/x
3. Step 3: Cross multiply
   2,613,888x = 3,997,728 × 3,997,728
4. Step 4: Simplify right side
   2,613,888x = 15,981,829,161,984
5. Step 5: Solve for x
   x = 15,981,829,161,984/2,613,888
6. Step 6: Final answer
   x = 6,114,198.15