Finding the Third Proportional to 155,771.25 and 222,756

Step by Step Solution

1. Step 1: Write the proportion equation
   155,771.25 : 222,756 = 222,756 : x
2. Step 2: Convert to fraction form
   155,771.25/222,756 = 222,756/x
3. Step 3: Cross multiply
   155,771.25x = 222,756 × 222,756
4. Step 4: Simplify right side
   155,771.25x = 49,620,235,536
5. Step 5: Solve for x
   x = 49,620,235,536/155,771.25
6. Step 6: Final answer
   x = 318,545.53