Finding the Third Proportional to 1,336,855 and 2,783,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336,855 : 2,783,864 = 2,783,864 : x
2. Step 2: Convert to fraction form
   1,336,855/2,783,864 = 2,783,864/x
3. Step 3: Cross multiply
   1,336,855x = 2,783,864 × 2,783,864
4. Step 4: Simplify right side
   1,336,855x = 7,749,898,770,496
5. Step 5: Solve for x
   x = 7,749,898,770,496/1,336,855
6. Step 6: Final answer
   x = 5,797,112.45