Finding the Third Proportional to 21,979 and 34,944

Step by Step Solution

1. Step 1: Write the proportion equation
   21,979 : 34,944 = 34,944 : x
2. Step 2: Convert to fraction form
   21,979/34,944 = 34,944/x
3. Step 3: Cross multiply
   21,979x = 34,944 × 34,944
4. Step 4: Simplify right side
   21,979x = 1,221,083,136
5. Step 5: Solve for x
   x = 1,221,083,136/21,979
6. Step 6: Final answer
   x = 55,556.81