Finding the Third Proportional to 1,371,456 and 2,809,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371,456 : 2,809,728 = 2,809,728 : x
2. Step 2: Convert to fraction form
   1,371,456/2,809,728 = 2,809,728/x
3. Step 3: Cross multiply
   1,371,456x = 2,809,728 × 2,809,728
4. Step 4: Simplify right side
   1,371,456x = 7,894,571,433,984
5. Step 5: Solve for x
   x = 7,894,571,433,984/1,371,456
6. Step 6: Final answer
   x = 5,756,343.21