Finding the Third Proportional to 1,728,072 and 3,770,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,072 : 3,770,568 = 3,770,568 : x
2. Step 2: Convert to fraction form
   1,728,072/3,770,568 = 3,770,568/x
3. Step 3: Cross multiply
   1,728,072x = 3,770,568 × 3,770,568
4. Step 4: Simplify right side
   1,728,072x = 14,217,183,042,624
5. Step 5: Solve for x
   x = 14,217,183,042,624/1,728,072
6. Step 6: Final answer
   x = 8,227,193.68