Finding the Third Proportional to 103,981 and 225,443

Step by Step Solution

1. Step 1: Write the proportion equation
   103,981 : 225,443 = 225,443 : x
2. Step 2: Convert to fraction form
   103,981/225,443 = 225,443/x
3. Step 3: Cross multiply
   103,981x = 225,443 × 225,443
4. Step 4: Simplify right side
   103,981x = 50,824,546,249
5. Step 5: Solve for x
   x = 50,824,546,249/103,981
6. Step 6: Final answer
   x = 488,786.86