Finding the Third Proportional to 150,048 and 327,978

Step by Step Solution

1. Step 1: Write the proportion equation
   150,048 : 327,978 = 327,978 : x
2. Step 2: Convert to fraction form
   150,048/327,978 = 327,978/x
3. Step 3: Cross multiply
   150,048x = 327,978 × 327,978
4. Step 4: Simplify right side
   150,048x = 107,569,568,484
5. Step 5: Solve for x
   x = 107,569,568,484/150,048
6. Step 6: Final answer
   x = 716,901.05