Finding the Third Proportional to 21,568 and 28,983

Step by Step Solution

1. Step 1: Write the proportion equation
   21,568 : 28,983 = 28,983 : x
2. Step 2: Convert to fraction form
   21,568/28,983 = 28,983/x
3. Step 3: Cross multiply
   21,568x = 28,983 × 28,983
4. Step 4: Simplify right side
   21,568x = 840,014,289
5. Step 5: Solve for x
   x = 840,014,289/21,568
6. Step 6: Final answer
   x = 38,947.25