Finding the Third Proportional to 1,244,400 and 2,665,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,244,400 : 2,665,728 = 2,665,728 : x
2. Step 2: Convert to fraction form
   1,244,400/2,665,728 = 2,665,728/x
3. Step 3: Cross multiply
   1,244,400x = 2,665,728 × 2,665,728
4. Step 4: Simplify right side
   1,244,400x = 7,106,105,769,984
5. Step 5: Solve for x
   x = 7,106,105,769,984/1,244,400
6. Step 6: Final answer
   x = 5,710,467.51