Finding the Third Proportional to 225,636 and 495,556

Step by Step Solution

1. Step 1: Write the proportion equation
   225,636 : 495,556 = 495,556 : x
2. Step 2: Convert to fraction form
   225,636/495,556 = 495,556/x
3. Step 3: Cross multiply
   225,636x = 495,556 × 495,556
4. Step 4: Simplify right side
   225,636x = 245,575,749,136
5. Step 5: Solve for x
   x = 245,575,749,136/225,636
6. Step 6: Final answer
   x = 1,088,371.31