Finding the Third Proportional to 20,239.88 and 28,891.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,239.88 : 28,891.69 = 28,891.69 : x
2. Step 2: Convert to fraction form
   20,239.88/28,891.69 = 28,891.69/x
3. Step 3: Cross multiply
   20,239.88x = 28,891.69 × 28,891.69
4. Step 4: Simplify right side
   20,239.88x = 834,729,606.60
5. Step 5: Solve for x
   x = 834,729,606.60/20,239.88
6. Step 6: Final answer
   x = 41,241.84