Finding the Third Proportional to 9,611 and 12,281

Step by Step Solution

1. Step 1: Write the proportion equation
   9,611 : 12,281 = 12,281 : x
2. Step 2: Convert to fraction form
   9,611/12,281 = 12,281/x
3. Step 3: Cross multiply
   9,611x = 12,281 × 12,281
4. Step 4: Simplify right side
   9,611x = 150,822,961
5. Step 5: Solve for x
   x = 150,822,961/9,611
6. Step 6: Final answer
   x = 15,692.74