Finding the Third Proportional to 151,078 and 222,440

Step by Step Solution

1. Step 1: Write the proportion equation
   151,078 : 222,440 = 222,440 : x
2. Step 2: Convert to fraction form
   151,078/222,440 = 222,440/x
3. Step 3: Cross multiply
   151,078x = 222,440 × 222,440
4. Step 4: Simplify right side
   151,078x = 49,479,553,600
5. Step 5: Solve for x
   x = 49,479,553,600/151,078
6. Step 6: Final answer
   x = 327,509.99