Finding the Third Proportional to 2,387.39 and 4,839.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.39 : 4,839.33 = 4,839.33 : x
2. Step 2: Convert to fraction form
   2,387.39/4,839.33 = 4,839.33/x
3. Step 3: Cross multiply
   2,387.39x = 4,839.33 × 4,839.33
4. Step 4: Simplify right side
   2,387.39x = 23,419,096.70
5. Step 5: Solve for x
   x = 23,419,096.70/2,387.39
6. Step 6: Final answer
   x = 9,809.50