Finding the Third Proportional to 3,386,968 and 7,305,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386,968 : 7,305,728 = 7,305,728 : x
2. Step 2: Convert to fraction form
   3,386,968/7,305,728 = 7,305,728/x
3. Step 3: Cross multiply
   3,386,968x = 7,305,728 × 7,305,728
4. Step 4: Simplify right side
   3,386,968x = 53,373,661,609,984
5. Step 5: Solve for x
   x = 53,373,661,609,984/3,386,968
6. Step 6: Final answer
   x = 15,758,537.31