Finding the Third Proportional to 2,185,328 and 3,428,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,328 : 3,428,144 = 3,428,144 : x
2. Step 2: Convert to fraction form
   2,185,328/3,428,144 = 3,428,144/x
3. Step 3: Cross multiply
   2,185,328x = 3,428,144 × 3,428,144
4. Step 4: Simplify right side
   2,185,328x = 11,752,171,284,736
5. Step 5: Solve for x
   x = 11,752,171,284,736/2,185,328
6. Step 6: Final answer
   x = 5,377,760.81