Finding the Third Proportional to 3,419,540 and 7,431,724

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419,540 : 7,431,724 = 7,431,724 : x
2. Step 2: Convert to fraction form
   3,419,540/7,431,724 = 7,431,724/x
3. Step 3: Cross multiply
   3,419,540x = 7,431,724 × 7,431,724
4. Step 4: Simplify right side
   3,419,540x = 55,230,521,612,176
5. Step 5: Solve for x
   x = 55,230,521,612,176/3,419,540
6. Step 6: Final answer
   x = 16,151,447.74