Finding the Third Proportional to 225,504 and 495,648

Step by Step Solution

1. Step 1: Write the proportion equation
   225,504 : 495,648 = 495,648 : x
2. Step 2: Convert to fraction form
   225,504/495,648 = 495,648/x
3. Step 3: Cross multiply
   225,504x = 495,648 × 495,648
4. Step 4: Simplify right side
   225,504x = 245,666,939,904
5. Step 5: Solve for x
   x = 245,666,939,904/225,504
6. Step 6: Final answer
   x = 1,089,412.78