Finding the Third Proportional to 3,378,042 and 7,431,682

Step by Step Solution

1. Step 1: Write the proportion equation
   3,378,042 : 7,431,682 = 7,431,682 : x
2. Step 2: Convert to fraction form
   3,378,042/7,431,682 = 7,431,682/x
3. Step 3: Cross multiply
   3,378,042x = 7,431,682 × 7,431,682
4. Step 4: Simplify right side
   3,378,042x = 55,229,897,349,124
5. Step 5: Solve for x
   x = 55,229,897,349,124/3,378,042
6. Step 6: Final answer
   x = 16,349,677.52