Finding the Third Proportional to 10,747.69 and 18,250.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,747.69 : 18,250.31 = 18,250.31 : x
2. Step 2: Convert to fraction form
   10,747.69/18,250.31 = 18,250.31/x
3. Step 3: Cross multiply
   10,747.69x = 18,250.31 × 18,250.31
4. Step 4: Simplify right side
   10,747.69x = 333,073,906.35
5. Step 5: Solve for x
   x = 333,073,906.35/10,747.69
6. Step 6: Final answer
   x = 30,990.29