Finding the Third Proportional to 665,644 and 1,436,256

Step by Step Solution

1. Step 1: Write the proportion equation
   665,644 : 1,436,256 = 1,436,256 : x
2. Step 2: Convert to fraction form
   665,644/1,436,256 = 1,436,256/x
3. Step 3: Cross multiply
   665,644x = 1,436,256 × 1,436,256
4. Step 4: Simplify right side
   665,644x = 2,062,831,297,536
5. Step 5: Solve for x
   x = 2,062,831,297,536/665,644
6. Step 6: Final answer
   x = 3,099,000.81