Finding the Third Proportional to 163,661 and 222,162

Step by Step Solution

1. Step 1: Write the proportion equation
   163,661 : 222,162 = 222,162 : x
2. Step 2: Convert to fraction form
   163,661/222,162 = 222,162/x
3. Step 3: Cross multiply
   163,661x = 222,162 × 222,162
4. Step 4: Simplify right side
   163,661x = 49,355,954,244
5. Step 5: Solve for x
   x = 49,355,954,244/163,661
6. Step 6: Final answer
   x = 301,574.32