Finding the Third Proportional to 21,589 and 28,995

Step by Step Solution

1. Step 1: Write the proportion equation
   21,589 : 28,995 = 28,995 : x
2. Step 2: Convert to fraction form
   21,589/28,995 = 28,995/x
3. Step 3: Cross multiply
   21,589x = 28,995 × 28,995
4. Step 4: Simplify right side
   21,589x = 840,710,025
5. Step 5: Solve for x
   x = 840,710,025/21,589
6. Step 6: Final answer
   x = 38,941.59