Finding the Third Proportional to 20,288 and 30,866

Step by Step Solution

1. Step 1: Write the proportion equation
   20,288 : 30,866 = 30,866 : x
2. Step 2: Convert to fraction form
   20,288/30,866 = 30,866/x
3. Step 3: Cross multiply
   20,288x = 30,866 × 30,866
4. Step 4: Simplify right side
   20,288x = 952,709,956
5. Step 5: Solve for x
   x = 952,709,956/20,288
6. Step 6: Final answer
   x = 46,959.28