Finding the Third Proportional to 4,280.03 and 9,338.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,280.03 : 9,338.89 = 9,338.89 : x
2. Step 2: Convert to fraction form
   4,280.03/9,338.89 = 9,338.89/x
3. Step 3: Cross multiply
   4,280.03x = 9,338.89 × 9,338.89
4. Step 4: Simplify right side
   4,280.03x = 87,214,841.63
5. Step 5: Solve for x
   x = 87,214,841.63/4,280.03
6. Step 6: Final answer
   x = 20,377.17