Finding the Third Proportional to 155,727.56 and 222,690.52

Step by Step Solution

1. Step 1: Write the proportion equation
   155,727.56 : 222,690.52 = 222,690.52 : x
2. Step 2: Convert to fraction form
   155,727.56/222,690.52 = 222,690.52/x
3. Step 3: Cross multiply
   155,727.56x = 222,690.52 × 222,690.52
4. Step 4: Simplify right side
   155,727.56x = 49,591,065,749.33
5. Step 5: Solve for x
   x = 49,591,065,749.33/155,727.56
6. Step 6: Final answer
   x = 318,447.58