Finding the Third Proportional to 3,431,728 and 7,395,356

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,728 : 7,395,356 = 7,395,356 : x
2. Step 2: Convert to fraction form
   3,431,728/7,395,356 = 7,395,356/x
3. Step 3: Cross multiply
   3,431,728x = 7,395,356 × 7,395,356
4. Step 4: Simplify right side
   3,431,728x = 54,691,290,366,736
5. Step 5: Solve for x
   x = 54,691,290,366,736/3,431,728
6. Step 6: Final answer
   x = 15,936,953.73