Finding the Third Proportional to 7,568.50 and 12,508

Step by Step Solution

1. Step 1: Write the proportion equation
   7,568.50 : 12,508 = 12,508 : x
2. Step 2: Convert to fraction form
   7,568.50/12,508 = 12,508/x
3. Step 3: Cross multiply
   7,568.50x = 12,508 × 12,508
4. Step 4: Simplify right side
   7,568.50x = 156,450,064
5. Step 5: Solve for x
   x = 156,450,064/7,568.50
6. Step 6: Final answer
   x = 20,671.21