Finding the Third Proportional to 865,355 and 1,893,843

Step by Step Solution

1. Step 1: Write the proportion equation
   865,355 : 1,893,843 = 1,893,843 : x
2. Step 2: Convert to fraction form
   865,355/1,893,843 = 1,893,843/x
3. Step 3: Cross multiply
   865,355x = 1,893,843 × 1,893,843
4. Step 4: Simplify right side
   865,355x = 3,586,641,308,649
5. Step 5: Solve for x
   x = 3,586,641,308,649/865,355
6. Step 6: Final answer
   x = 4,144,705.13