Finding the Third Proportional to 33,348 and 72,231

Step by Step Solution

1. Step 1: Write the proportion equation
   33,348 : 72,231 = 72,231 : x
2. Step 2: Convert to fraction form
   33,348/72,231 = 72,231/x
3. Step 3: Cross multiply
   33,348x = 72,231 × 72,231
4. Step 4: Simplify right side
   33,348x = 5,217,317,361
5. Step 5: Solve for x
   x = 5,217,317,361/33,348
6. Step 6: Final answer
   x = 156,450.68