Finding the Third Proportional to 3,145,036 and 4,303,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145,036 : 4,303,728 = 4,303,728 : x
2. Step 2: Convert to fraction form
   3,145,036/4,303,728 = 4,303,728/x
3. Step 3: Cross multiply
   3,145,036x = 4,303,728 × 4,303,728
4. Step 4: Simplify right side
   3,145,036x = 18,522,074,697,984
5. Step 5: Solve for x
   x = 18,522,074,697,984/3,145,036
6. Step 6: Final answer
   x = 5,889,304.51