Finding the Third Proportional to 222,588 and 495,018

Step by Step Solution

1. Step 1: Write the proportion equation
   222,588 : 495,018 = 495,018 : x
2. Step 2: Convert to fraction form
   222,588/495,018 = 495,018/x
3. Step 3: Cross multiply
   222,588x = 495,018 × 495,018
4. Step 4: Simplify right side
   222,588x = 245,042,820,324
5. Step 5: Solve for x
   x = 245,042,820,324/222,588
6. Step 6: Final answer
   x = 1,100,880.64