Finding the Third Proportional to 12,116.25 and 18,723.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,116.25 : 18,723.38 = 18,723.38 : x
2. Step 2: Convert to fraction form
   12,116.25/18,723.38 = 18,723.38/x
3. Step 3: Cross multiply
   12,116.25x = 18,723.38 × 18,723.38
4. Step 4: Simplify right side
   12,116.25x = 350,564,771.39
5. Step 5: Solve for x
   x = 350,564,771.39/12,116.25
6. Step 6: Final answer
   x = 28,933.44