Finding the Third Proportional to 9,570 and 20,605

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570 : 20,605 = 20,605 : x
2. Step 2: Convert to fraction form
   9,570/20,605 = 20,605/x
3. Step 3: Cross multiply
   9,570x = 20,605 × 20,605
4. Step 4: Simplify right side
   9,570x = 424,566,025
5. Step 5: Solve for x
   x = 424,566,025/9,570
6. Step 6: Final answer
   x = 44,364.27