Finding the Third Proportional to 123,234 and 195,891

Step by Step Solution

1. Step 1: Write the proportion equation
   123,234 : 195,891 = 195,891 : x
2. Step 2: Convert to fraction form
   123,234/195,891 = 195,891/x
3. Step 3: Cross multiply
   123,234x = 195,891 × 195,891
4. Step 4: Simplify right side
   123,234x = 38,373,283,881
5. Step 5: Solve for x
   x = 38,373,283,881/123,234
6. Step 6: Final answer
   x = 311,385.53