Finding the Third Proportional to 3,110,740 and 6,469,790

Step by Step Solution

1. Step 1: Write the proportion equation
   3,110,740 : 6,469,790 = 6,469,790 : x
2. Step 2: Convert to fraction form
   3,110,740/6,469,790 = 6,469,790/x
3. Step 3: Cross multiply
   3,110,740x = 6,469,790 × 6,469,790
4. Step 4: Simplify right side
   3,110,740x = 41,858,182,644,100
5. Step 5: Solve for x
   x = 41,858,182,644,100/3,110,740
6. Step 6: Final answer
   x = 13,456,020.96