Finding the Third Proportional to 151,215 and 222,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,215 : 222,441.50 = 222,441.50 : x
2. Step 2: Convert to fraction form
   151,215/222,441.50 = 222,441.50/x
3. Step 3: Cross multiply
   151,215x = 222,441.50 × 222,441.50
4. Step 4: Simplify right side
   151,215x = 49,480,220,922.25
5. Step 5: Solve for x
   x = 49,480,220,922.25/151,215
6. Step 6: Final answer
   x = 327,217.68