Finding the Third Proportional to 1,863,504 and 3,992,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,504 : 3,992,768 = 3,992,768 : x
2. Step 2: Convert to fraction form
   1,863,504/3,992,768 = 3,992,768/x
3. Step 3: Cross multiply
   1,863,504x = 3,992,768 × 3,992,768
4. Step 4: Simplify right side
   1,863,504x = 15,942,196,301,824
5. Step 5: Solve for x
   x = 15,942,196,301,824/1,863,504
6. Step 6: Final answer
   x = 8,554,956.85