Finding the Third Proportional to 2,187,389 and 3,424,448

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,389 : 3,424,448 = 3,424,448 : x
2. Step 2: Convert to fraction form
   2,187,389/3,424,448 = 3,424,448/x
3. Step 3: Cross multiply
   2,187,389x = 3,424,448 × 3,424,448
4. Step 4: Simplify right side
   2,187,389x = 11,726,844,104,704
5. Step 5: Solve for x
   x = 11,726,844,104,704/2,187,389
6. Step 6: Final answer
   x = 5,361,115.06