Finding the Third Proportional to 12,107.81 and 16,270.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,107.81 : 16,270.88 = 16,270.88 : x
2. Step 2: Convert to fraction form
   12,107.81/16,270.88 = 16,270.88/x
3. Step 3: Cross multiply
   12,107.81x = 16,270.88 × 16,270.88
4. Step 4: Simplify right side
   12,107.81x = 264,741,373.27
5. Step 5: Solve for x
   x = 264,741,373.27/12,107.81
6. Step 6: Final answer
   x = 21,865.33