Finding the Third Proportional to 1,395,744 and 2,213,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,744 : 2,213,760 = 2,213,760 : x
2. Step 2: Convert to fraction form
   1,395,744/2,213,760 = 2,213,760/x
3. Step 3: Cross multiply
   1,395,744x = 2,213,760 × 2,213,760
4. Step 4: Simplify right side
   1,395,744x = 4,900,733,337,600
5. Step 5: Solve for x
   x = 4,900,733,337,600/1,395,744
6. Step 6: Final answer
   x = 3,511,197.85