Finding the Third Proportional to 105,180 and 158,859

Step by Step Solution

1. Step 1: Write the proportion equation
   105,180 : 158,859 = 158,859 : x
2. Step 2: Convert to fraction form
   105,180/158,859 = 158,859/x
3. Step 3: Cross multiply
   105,180x = 158,859 × 158,859
4. Step 4: Simplify right side
   105,180x = 25,236,181,881
5. Step 5: Solve for x
   x = 25,236,181,881/105,180
6. Step 6: Final answer
   x = 239,933.28