Finding the Third Proportional to 861,710 and 1,363,843

Step by Step Solution

1. Step 1: Write the proportion equation
   861,710 : 1,363,843 = 1,363,843 : x
2. Step 2: Convert to fraction form
   861,710/1,363,843 = 1,363,843/x
3. Step 3: Cross multiply
   861,710x = 1,363,843 × 1,363,843
4. Step 4: Simplify right side
   861,710x = 1,860,067,728,649
5. Step 5: Solve for x
   x = 1,860,067,728,649/861,710
6. Step 6: Final answer
   x = 2,158,577.40