Finding the Third Proportional to 20,922 and 28,386

Step by Step Solution

1. Step 1: Write the proportion equation
   20,922 : 28,386 = 28,386 : x
2. Step 2: Convert to fraction form
   20,922/28,386 = 28,386/x
3. Step 3: Cross multiply
   20,922x = 28,386 × 28,386
4. Step 4: Simplify right side
   20,922x = 805,764,996
5. Step 5: Solve for x
   x = 805,764,996/20,922
6. Step 6: Final answer
   x = 38,512.81