Finding the Third Proportional to 2,187,761 and 3,311,825

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,761 : 3,311,825 = 3,311,825 : x
2. Step 2: Convert to fraction form
   2,187,761/3,311,825 = 3,311,825/x
3. Step 3: Cross multiply
   2,187,761x = 3,311,825 × 3,311,825
4. Step 4: Simplify right side
   2,187,761x = 10,968,184,830,625
5. Step 5: Solve for x
   x = 10,968,184,830,625/2,187,761
6. Step 6: Final answer
   x = 5,013,429.18