Finding the Third Proportional to 123,879 and 186,979

Step by Step Solution

1. Step 1: Write the proportion equation
   123,879 : 186,979 = 186,979 : x
2. Step 2: Convert to fraction form
   123,879/186,979 = 186,979/x
3. Step 3: Cross multiply
   123,879x = 186,979 × 186,979
4. Step 4: Simplify right side
   123,879x = 34,961,146,441
5. Step 5: Solve for x
   x = 34,961,146,441/123,879
6. Step 6: Final answer
   x = 282,220.12