Finding the Third Proportional to 21,002 and 28,023

Step by Step Solution

1. Step 1: Write the proportion equation
   21,002 : 28,023 = 28,023 : x
2. Step 2: Convert to fraction form
   21,002/28,023 = 28,023/x
3. Step 3: Cross multiply
   21,002x = 28,023 × 28,023
4. Step 4: Simplify right side
   21,002x = 785,288,529
5. Step 5: Solve for x
   x = 785,288,529/21,002
6. Step 6: Final answer
   x = 37,391.13