Finding the Third Proportional to 9,520 and 20,065

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520 : 20,065 = 20,065 : x
2. Step 2: Convert to fraction form
   9,520/20,065 = 20,065/x
3. Step 3: Cross multiply
   9,520x = 20,065 × 20,065
4. Step 4: Simplify right side
   9,520x = 402,604,225
5. Step 5: Solve for x
   x = 402,604,225/9,520
6. Step 6: Final answer
   x = 42,290.36