Finding the Third Proportional to 21,588 and 28,695

Step by Step Solution

1. Step 1: Write the proportion equation
   21,588 : 28,695 = 28,695 : x
2. Step 2: Convert to fraction form
   21,588/28,695 = 28,695/x
3. Step 3: Cross multiply
   21,588x = 28,695 × 28,695
4. Step 4: Simplify right side
   21,588x = 823,403,025
5. Step 5: Solve for x
   x = 823,403,025/21,588
6. Step 6: Final answer
   x = 38,141.70