Finding the Third Proportional to 7,982 and 12,254

Step by Step Solution

1. Step 1: Write the proportion equation
   7,982 : 12,254 = 12,254 : x
2. Step 2: Convert to fraction form
   7,982/12,254 = 12,254/x
3. Step 3: Cross multiply
   7,982x = 12,254 × 12,254
4. Step 4: Simplify right side
   7,982x = 150,160,516
5. Step 5: Solve for x
   x = 150,160,516/7,982
6. Step 6: Final answer
   x = 18,812.39