Finding the Third Proportional to 1,863,162 and 3,991,923

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,162 : 3,991,923 = 3,991,923 : x
2. Step 2: Convert to fraction form
   1,863,162/3,991,923 = 3,991,923/x
3. Step 3: Cross multiply
   1,863,162x = 3,991,923 × 3,991,923
4. Step 4: Simplify right side
   1,863,162x = 15,935,449,237,929
5. Step 5: Solve for x
   x = 15,935,449,237,929/1,863,162
6. Step 6: Final answer
   x = 8,552,905.89