Finding the Third Proportional to 4,281.89 and 9,339.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,281.89 : 9,339.89 = 9,339.89 : x
2. Step 2: Convert to fraction form
   4,281.89/9,339.89 = 9,339.89/x
3. Step 3: Cross multiply
   4,281.89x = 9,339.89 × 9,339.89
4. Step 4: Simplify right side
   4,281.89x = 87,233,556.89
5. Step 5: Solve for x
   x = 87,233,556.89/4,281.89
6. Step 6: Final answer
   x = 20,372.67