Finding the Third Proportional to 11,982 and 25,782

Step by Step Solution

1. Step 1: Write the proportion equation
   11,982 : 25,782 = 25,782 : x
2. Step 2: Convert to fraction form
   11,982/25,782 = 25,782/x
3. Step 3: Cross multiply
   11,982x = 25,782 × 25,782
4. Step 4: Simplify right side
   11,982x = 664,711,524
5. Step 5: Solve for x
   x = 664,711,524/11,982
6. Step 6: Final answer
   x = 55,475.84