Finding the Third Proportional to 1,383,995 and 1,863,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383,995 : 1,863,123 = 1,863,123 : x
2. Step 2: Convert to fraction form
   1,383,995/1,863,123 = 1,863,123/x
3. Step 3: Cross multiply
   1,383,995x = 1,863,123 × 1,863,123
4. Step 4: Simplify right side
   1,383,995x = 3,471,227,313,129
5. Step 5: Solve for x
   x = 3,471,227,313,129/1,383,995
6. Step 6: Final answer
   x = 2,508,121.28