Finding the Third Proportional to 155,738.25 and 222,705

Step by Step Solution

1. Step 1: Write the proportion equation
   155,738.25 : 222,705 = 222,705 : x
2. Step 2: Convert to fraction form
   155,738.25/222,705 = 222,705/x
3. Step 3: Cross multiply
   155,738.25x = 222,705 × 222,705
4. Step 4: Simplify right side
   155,738.25x = 49,597,517,025
5. Step 5: Solve for x
   x = 49,597,517,025/155,738.25
6. Step 6: Final answer
   x = 318,467.15