Finding the Third Proportional to 11,992 and 28,008

Step by Step Solution

1. Step 1: Write the proportion equation
   11,992 : 28,008 = 28,008 : x
2. Step 2: Convert to fraction form
   11,992/28,008 = 28,008/x
3. Step 3: Cross multiply
   11,992x = 28,008 × 28,008
4. Step 4: Simplify right side
   11,992x = 784,448,064
5. Step 5: Solve for x
   x = 784,448,064/11,992
6. Step 6: Final answer
   x = 65,414.28