Finding the Third Proportional to 165,243 and 222,951.38

Step by Step Solution

1. Step 1: Write the proportion equation
   165,243 : 222,951.38 = 222,951.38 : x
2. Step 2: Convert to fraction form
   165,243/222,951.38 = 222,951.38/x
3. Step 3: Cross multiply
   165,243x = 222,951.38 × 222,951.38
4. Step 4: Simplify right side
   165,243x = 49,707,315,614.39
5. Step 5: Solve for x
   x = 49,707,315,614.39/165,243
6. Step 6: Final answer
   x = 300,813.44