Finding the Third Proportional to 1,863,103 and 3,991,805

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,103 : 3,991,805 = 3,991,805 : x
2. Step 2: Convert to fraction form
   1,863,103/3,991,805 = 3,991,805/x
3. Step 3: Cross multiply
   1,863,103x = 3,991,805 × 3,991,805
4. Step 4: Simplify right side
   1,863,103x = 15,934,507,158,025
5. Step 5: Solve for x
   x = 15,934,507,158,025/1,863,103
6. Step 6: Final answer
   x = 8,552,671.09