Finding the Third Proportional to 155,732 and 222,692

Step by Step Solution

1. Step 1: Write the proportion equation
   155,732 : 222,692 = 222,692 : x
2. Step 2: Convert to fraction form
   155,732/222,692 = 222,692/x
3. Step 3: Cross multiply
   155,732x = 222,692 × 222,692
4. Step 4: Simplify right side
   155,732x = 49,591,726,864
5. Step 5: Solve for x
   x = 49,591,726,864/155,732
6. Step 6: Final answer
   x = 318,442.75