Finding the Third Proportional to 1,395,940 and 2,239,683

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,940 : 2,239,683 = 2,239,683 : x
2. Step 2: Convert to fraction form
   1,395,940/2,239,683 = 2,239,683/x
3. Step 3: Cross multiply
   1,395,940x = 2,239,683 × 2,239,683
4. Step 4: Simplify right side
   1,395,940x = 5,016,179,940,489
5. Step 5: Solve for x
   x = 5,016,179,940,489/1,395,940
6. Step 6: Final answer
   x = 3,593,406.55