Finding the Third Proportional to 108,467 and 222,218

Step by Step Solution

1. Step 1: Write the proportion equation
   108,467 : 222,218 = 222,218 : x
2. Step 2: Convert to fraction form
   108,467/222,218 = 222,218/x
3. Step 3: Cross multiply
   108,467x = 222,218 × 222,218
4. Step 4: Simplify right side
   108,467x = 49,380,839,524
5. Step 5: Solve for x
   x = 49,380,839,524/108,467
6. Step 6: Final answer
   x = 455,261.41