Finding the Third Proportional to 9,558 and 12,567

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558 : 12,567 = 12,567 : x
2. Step 2: Convert to fraction form
   9,558/12,567 = 12,567/x
3. Step 3: Cross multiply
   9,558x = 12,567 × 12,567
4. Step 4: Simplify right side
   9,558x = 157,929,489
5. Step 5: Solve for x
   x = 157,929,489/9,558
6. Step 6: Final answer
   x = 16,523.28