Finding the Third Proportional to 1,357,306 and 2,099,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,306 : 2,099,728 = 2,099,728 : x
2. Step 2: Convert to fraction form
   1,357,306/2,099,728 = 2,099,728/x
3. Step 3: Cross multiply
   1,357,306x = 2,099,728 × 2,099,728
4. Step 4: Simplify right side
   1,357,306x = 4,408,857,673,984
5. Step 5: Solve for x
   x = 4,408,857,673,984/1,357,306
6. Step 6: Final answer
   x = 3,248,241.50