Finding the Third Proportional to 231,448 and 481,320

Step by Step Solution

1. Step 1: Write the proportion equation
   231,448 : 481,320 = 481,320 : x
2. Step 2: Convert to fraction form
   231,448/481,320 = 481,320/x
3. Step 3: Cross multiply
   231,448x = 481,320 × 481,320
4. Step 4: Simplify right side
   231,448x = 231,668,942,400
5. Step 5: Solve for x
   x = 231,668,942,400/231,448
6. Step 6: Final answer
   x = 1,000,954.61