Finding the Third Proportional to 113,690 and 158,979

Step by Step Solution

1. Step 1: Write the proportion equation
   113,690 : 158,979 = 158,979 : x
2. Step 2: Convert to fraction form
   113,690/158,979 = 158,979/x
3. Step 3: Cross multiply
   113,690x = 158,979 × 158,979
4. Step 4: Simplify right side
   113,690x = 25,274,322,441
5. Step 5: Solve for x
   x = 25,274,322,441/113,690
6. Step 6: Final answer
   x = 222,309.11