Finding the Third Proportional to 7,751 and 12,019

Step by Step Solution

1. Step 1: Write the proportion equation
   7,751 : 12,019 = 12,019 : x
2. Step 2: Convert to fraction form
   7,751/12,019 = 12,019/x
3. Step 3: Cross multiply
   7,751x = 12,019 × 12,019
4. Step 4: Simplify right side
   7,751x = 144,456,361
5. Step 5: Solve for x
   x = 144,456,361/7,751
6. Step 6: Final answer
   x = 18,637.13