Finding the Third Proportional to 2,187,386 and 3,424,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,386 : 3,424,443 = 3,424,443 : x
2. Step 2: Convert to fraction form
   2,187,386/3,424,443 = 3,424,443/x
3. Step 3: Cross multiply
   2,187,386x = 3,424,443 × 3,424,443
4. Step 4: Simplify right side
   2,187,386x = 11,726,809,860,249
5. Step 5: Solve for x
   x = 11,726,809,860,249/2,187,386
6. Step 6: Final answer
   x = 5,361,106.75