Finding the Third Proportional to 10,947.94 and 16,986.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.94 : 16,986.38 = 16,986.38 : x
2. Step 2: Convert to fraction form
   10,947.94/16,986.38 = 16,986.38/x
3. Step 3: Cross multiply
   10,947.94x = 16,986.38 × 16,986.38
4. Step 4: Simplify right side
   10,947.94x = 288,536,935.64
5. Step 5: Solve for x
   x = 288,536,935.64/10,947.94
6. Step 6: Final answer
   x = 26,355.37