Finding the Third Proportional to 147,422 and 222,353

Step by Step Solution

1. Step 1: Write the proportion equation
   147,422 : 222,353 = 222,353 : x
2. Step 2: Convert to fraction form
   147,422/222,353 = 222,353/x
3. Step 3: Cross multiply
   147,422x = 222,353 × 222,353
4. Step 4: Simplify right side
   147,422x = 49,440,856,609
5. Step 5: Solve for x
   x = 49,440,856,609/147,422
6. Step 6: Final answer
   x = 335,369.60