Finding the Third Proportional to 3,388,540 and 7,440,632

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,540 : 7,440,632 = 7,440,632 : x
2. Step 2: Convert to fraction form
   3,388,540/7,440,632 = 7,440,632/x
3. Step 3: Cross multiply
   3,388,540x = 7,440,632 × 7,440,632
4. Step 4: Simplify right side
   3,388,540x = 55,363,004,559,424
5. Step 5: Solve for x
   x = 55,363,004,559,424/3,388,540
6. Step 6: Final answer
   x = 16,338,306.34