Finding the Third Proportional to 151,142 and 222,105

Step by Step Solution

1. Step 1: Write the proportion equation
   151,142 : 222,105 = 222,105 : x
2. Step 2: Convert to fraction form
   151,142/222,105 = 222,105/x
3. Step 3: Cross multiply
   151,142x = 222,105 × 222,105
4. Step 4: Simplify right side
   151,142x = 49,330,631,025
5. Step 5: Solve for x
   x = 49,330,631,025/151,142
6. Step 6: Final answer
   x = 326,385.99