Finding the Third Proportional to 5,249.39 and 10,984.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,249.39 : 10,984.78 = 10,984.78 : x
2. Step 2: Convert to fraction form
   5,249.39/10,984.78 = 10,984.78/x
3. Step 3: Cross multiply
   5,249.39x = 10,984.78 × 10,984.78
4. Step 4: Simplify right side
   5,249.39x = 120,665,419.11
5. Step 5: Solve for x
   x = 120,665,419.11/5,249.39
6. Step 6: Final answer
   x = 22,986.56