Finding the Third Proportional to 105,721 and 154,612

Step by Step Solution

1. Step 1: Write the proportion equation
   105,721 : 154,612 = 154,612 : x
2. Step 2: Convert to fraction form
   105,721/154,612 = 154,612/x
3. Step 3: Cross multiply
   105,721x = 154,612 × 154,612
4. Step 4: Simplify right side
   105,721x = 23,904,870,544
5. Step 5: Solve for x
   x = 23,904,870,544/105,721
6. Step 6: Final answer
   x = 226,112.79