Finding the Third Proportional to 3,728,690 and 5,757,878

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,690 : 5,757,878 = 5,757,878 : x
2. Step 2: Convert to fraction form
   3,728,690/5,757,878 = 5,757,878/x
3. Step 3: Cross multiply
   3,728,690x = 5,757,878 × 5,757,878
4. Step 4: Simplify right side
   3,728,690x = 33,153,159,062,884
5. Step 5: Solve for x
   x = 33,153,159,062,884/3,728,690
6. Step 6: Final answer
   x = 8,891,369.10