Finding the Third Proportional to 865,408 and 1,893,696

Step by Step Solution

1. Step 1: Write the proportion equation
   865,408 : 1,893,696 = 1,893,696 : x
2. Step 2: Convert to fraction form
   865,408/1,893,696 = 1,893,696/x
3. Step 3: Cross multiply
   865,408x = 1,893,696 × 1,893,696
4. Step 4: Simplify right side
   865,408x = 3,586,084,540,416
5. Step 5: Solve for x
   x = 3,586,084,540,416/865,408
6. Step 6: Final answer
   x = 4,143,807.94