Finding the Third Proportional to 20,288 and 30,868

Step by Step Solution

1. Step 1: Write the proportion equation
   20,288 : 30,868 = 30,868 : x
2. Step 2: Convert to fraction form
   20,288/30,868 = 30,868/x
3. Step 3: Cross multiply
   20,288x = 30,868 × 30,868
4. Step 4: Simplify right side
   20,288x = 952,833,424
5. Step 5: Solve for x
   x = 952,833,424/20,288
6. Step 6: Final answer
   x = 46,965.37