Finding the Third Proportional to 2,141,962 and 2,855,631

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,962 : 2,855,631 = 2,855,631 : x
2. Step 2: Convert to fraction form
   2,141,962/2,855,631 = 2,855,631/x
3. Step 3: Cross multiply
   2,141,962x = 2,855,631 × 2,855,631
4. Step 4: Simplify right side
   2,141,962x = 8,154,628,408,161
5. Step 5: Solve for x
   x = 8,154,628,408,161/2,141,962
6. Step 6: Final answer
   x = 3,807,083.60