Finding the Third Proportional to 107,815 and 222,544

Step by Step Solution

1. Step 1: Write the proportion equation
   107,815 : 222,544 = 222,544 : x
2. Step 2: Convert to fraction form
   107,815/222,544 = 222,544/x
3. Step 3: Cross multiply
   107,815x = 222,544 × 222,544
4. Step 4: Simplify right side
   107,815x = 49,525,831,936
5. Step 5: Solve for x
   x = 49,525,831,936/107,815
6. Step 6: Final answer
   x = 459,359.38