Finding the Third Proportional to 10,218.94 and 13,732.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,218.94 : 13,732.88 = 13,732.88 : x
2. Step 2: Convert to fraction form
   10,218.94/13,732.88 = 13,732.88/x
3. Step 3: Cross multiply
   10,218.94x = 13,732.88 × 13,732.88
4. Step 4: Simplify right side
   10,218.94x = 188,591,855.77
5. Step 5: Solve for x
   x = 188,591,855.77/10,218.94
6. Step 6: Final answer
   x = 18,455.13