Finding the Third Proportional to 327,288 and 500,448

Step by Step Solution

1. Step 1: Write the proportion equation
   327,288 : 500,448 = 500,448 : x
2. Step 2: Convert to fraction form
   327,288/500,448 = 500,448/x
3. Step 3: Cross multiply
   327,288x = 500,448 × 500,448
4. Step 4: Simplify right side
   327,288x = 250,448,200,704
5. Step 5: Solve for x
   x = 250,448,200,704/327,288
6. Step 6: Final answer
   x = 765,222.68