Finding the Third Proportional to 5,124.09 and 10,986.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,124.09 : 10,986.47 = 10,986.47 : x
2. Step 2: Convert to fraction form
   5,124.09/10,986.47 = 10,986.47/x
3. Step 3: Cross multiply
   5,124.09x = 10,986.47 × 10,986.47
4. Step 4: Simplify right side
   5,124.09x = 120,702,495.59
5. Step 5: Solve for x
   x = 120,702,495.59/5,124.09
6. Step 6: Final answer
   x = 23,555.87