Finding the Third Proportional to 11,902.22 and 28,198.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,902.22 : 28,198.69 = 28,198.69 : x
2. Step 2: Convert to fraction form
   11,902.22/28,198.69 = 28,198.69/x
3. Step 3: Cross multiply
   11,902.22x = 28,198.69 × 28,198.69
4. Step 4: Simplify right side
   11,902.22x = 795,165,976.72
5. Step 5: Solve for x
   x = 795,165,976.72/11,902.22
6. Step 6: Final answer
   x = 66,808.21