Finding the Third Proportional to 2,187,388 and 3,424,446

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,388 : 3,424,446 = 3,424,446 : x
2. Step 2: Convert to fraction form
   2,187,388/3,424,446 = 3,424,446/x
3. Step 3: Cross multiply
   2,187,388x = 3,424,446 × 3,424,446
4. Step 4: Simplify right side
   2,187,388x = 11,726,830,406,916
5. Step 5: Solve for x
   x = 11,726,830,406,916/2,187,388
6. Step 6: Final answer
   x = 5,361,111.25