Finding the Third Proportional to 337,639.50 and 738,018

Step by Step Solution

1. Step 1: Write the proportion equation
   337,639.50 : 738,018 = 738,018 : x
2. Step 2: Convert to fraction form
   337,639.50/738,018 = 738,018/x
3. Step 3: Cross multiply
   337,639.50x = 738,018 × 738,018
4. Step 4: Simplify right side
   337,639.50x = 544,670,568,324
5. Step 5: Solve for x
   x = 544,670,568,324/337,639.50
6. Step 6: Final answer
   x = 1,613,171.94