Finding the Third Proportional to 3,388,546 and 7,440,644

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,546 : 7,440,644 = 7,440,644 : x
2. Step 2: Convert to fraction form
   3,388,546/7,440,644 = 7,440,644/x
3. Step 3: Cross multiply
   3,388,546x = 7,440,644 × 7,440,644
4. Step 4: Simplify right side
   3,388,546x = 55,363,183,134,736
5. Step 5: Solve for x
   x = 55,363,183,134,736/3,388,546
6. Step 6: Final answer
   x = 16,338,330.11