Finding the Third Proportional to 337,644 and 741,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   337,644 : 741,721.50 = 741,721.50 : x
2. Step 2: Convert to fraction form
   337,644/741,721.50 = 741,721.50/x
3. Step 3: Cross multiply
   337,644x = 741,721.50 × 741,721.50
4. Step 4: Simplify right side
   337,644x = 550,150,783,562.25
5. Step 5: Solve for x
   x = 550,150,783,562.25/337,644
6. Step 6: Final answer
   x = 1,629,381.19