Finding the Third Proportional to 815,868 and 1,749,843

Step by Step Solution

1. Step 1: Write the proportion equation
   815,868 : 1,749,843 = 1,749,843 : x
2. Step 2: Convert to fraction form
   815,868/1,749,843 = 1,749,843/x
3. Step 3: Cross multiply
   815,868x = 1,749,843 × 1,749,843
4. Step 4: Simplify right side
   815,868x = 3,061,950,524,649
5. Step 5: Solve for x
   x = 3,061,950,524,649/815,868
6. Step 6: Final answer
   x = 3,752,997.45