Finding the Third Proportional to 147,345 and 222,243

Step by Step Solution

1. Step 1: Write the proportion equation
   147,345 : 222,243 = 222,243 : x
2. Step 2: Convert to fraction form
   147,345/222,243 = 222,243/x
3. Step 3: Cross multiply
   147,345x = 222,243 × 222,243
4. Step 4: Simplify right side
   147,345x = 49,391,951,049
5. Step 5: Solve for x
   x = 49,391,951,049/147,345
6. Step 6: Final answer
   x = 335,212.94