Finding the Third Proportional to 11,982 and 28,200

Step by Step Solution

1. Step 1: Write the proportion equation
   11,982 : 28,200 = 28,200 : x
2. Step 2: Convert to fraction form
   11,982/28,200 = 28,200/x
3. Step 3: Cross multiply
   11,982x = 28,200 × 28,200
4. Step 4: Simplify right side
   11,982x = 795,240,000
5. Step 5: Solve for x
   x = 795,240,000/11,982
6. Step 6: Final answer
   x = 66,369.55