Finding the Third Proportional to 12,513.66 and 16,891.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,513.66 : 16,891.03 = 16,891.03 : x
2. Step 2: Convert to fraction form
   12,513.66/16,891.03 = 16,891.03/x
3. Step 3: Cross multiply
   12,513.66x = 16,891.03 × 16,891.03
4. Step 4: Simplify right side
   12,513.66x = 285,306,936.69
5. Step 5: Solve for x
   x = 285,306,936.69/12,513.66
6. Step 6: Final answer
   x = 22,799.65