Finding the Third Proportional to 13,605 and 21,023

Step by Step Solution

1. Step 1: Write the proportion equation
   13,605 : 21,023 = 21,023 : x
2. Step 2: Convert to fraction form
   13,605/21,023 = 21,023/x
3. Step 3: Cross multiply
   13,605x = 21,023 × 21,023
4. Step 4: Simplify right side
   13,605x = 441,966,529
5. Step 5: Solve for x
   x = 441,966,529/13,605
6. Step 6: Final answer
   x = 32,485.60