Finding the Third Proportional to 3,388,814 and 7,328,270

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,814 : 7,328,270 = 7,328,270 : x
2. Step 2: Convert to fraction form
   3,388,814/7,328,270 = 7,328,270/x
3. Step 3: Cross multiply
   3,388,814x = 7,328,270 × 7,328,270
4. Step 4: Simplify right side
   3,388,814x = 53,703,541,192,900
5. Step 5: Solve for x
   x = 53,703,541,192,900/3,388,814
6. Step 6: Final answer
   x = 15,847,296.78