Finding the Third Proportional to 150,550.50 and 221,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   150,550.50 : 221,667.75 = 221,667.75 : x
2. Step 2: Convert to fraction form
   150,550.50/221,667.75 = 221,667.75/x
3. Step 3: Cross multiply
   150,550.50x = 221,667.75 × 221,667.75
4. Step 4: Simplify right side
   150,550.50x = 49,136,591,390.06
5. Step 5: Solve for x
   x = 49,136,591,390.06/150,550.50
6. Step 6: Final answer
   x = 326,379.46