Finding the Third Proportional to 1,728,078 and 3,770,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,078 : 3,770,616 = 3,770,616 : x
2. Step 2: Convert to fraction form
   1,728,078/3,770,616 = 3,770,616/x
3. Step 3: Cross multiply
   1,728,078x = 3,770,616 × 3,770,616
4. Step 4: Simplify right side
   1,728,078x = 14,217,545,019,456
5. Step 5: Solve for x
   x = 14,217,545,019,456/1,728,078
6. Step 6: Final answer
   x = 8,227,374.59