Finding the Third Proportional to 3,388,542 and 7,440,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,542 : 7,440,636 = 7,440,636 : x
2. Step 2: Convert to fraction form
   3,388,542/7,440,636 = 7,440,636/x
3. Step 3: Cross multiply
   3,388,542x = 7,440,636 × 7,440,636
4. Step 4: Simplify right side
   3,388,542x = 55,363,064,084,496
5. Step 5: Solve for x
   x = 55,363,064,084,496/3,388,542
6. Step 6: Final answer
   x = 16,338,314.26