Finding the Third Proportional to 225,648 and 495,574

Step by Step Solution

1. Step 1: Write the proportion equation
   225,648 : 495,574 = 495,574 : x
2. Step 2: Convert to fraction form
   225,648/495,574 = 495,574/x
3. Step 3: Cross multiply
   225,648x = 495,574 × 495,574
4. Step 4: Simplify right side
   225,648x = 245,593,589,476
5. Step 5: Solve for x
   x = 245,593,589,476/225,648
6. Step 6: Final answer
   x = 1,088,392.49