Finding the Third Proportional to 3,388,436 and 7,440,424

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,436 : 7,440,424 = 7,440,424 : x
2. Step 2: Convert to fraction form
   3,388,436/7,440,424 = 7,440,424/x
3. Step 3: Cross multiply
   3,388,436x = 7,440,424 × 7,440,424
4. Step 4: Simplify right side
   3,388,436x = 55,359,909,299,776
5. Step 5: Solve for x
   x = 55,359,909,299,776/3,388,436
6. Step 6: Final answer
   x = 16,337,894.33