Finding the Third Proportional to 18,118.69 and 25,294.78

Step by Step Solution

1. Step 1: Write the proportion equation
   18,118.69 : 25,294.78 = 25,294.78 : x
2. Step 2: Convert to fraction form
   18,118.69/25,294.78 = 25,294.78/x
3. Step 3: Cross multiply
   18,118.69x = 25,294.78 × 25,294.78
4. Step 4: Simplify right side
   18,118.69x = 639,825,958.49
5. Step 5: Solve for x
   x = 639,825,958.49/18,118.69
6. Step 6: Final answer
   x = 35,313.04