Finding the Third Proportional to 18,538.88 and 25,489.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,538.88 : 25,489.69 = 25,489.69 : x
2. Step 2: Convert to fraction form
   18,538.88/25,489.69 = 25,489.69/x
3. Step 3: Cross multiply
   18,538.88x = 25,489.69 × 25,489.69
4. Step 4: Simplify right side
   18,538.88x = 649,724,168.85
5. Step 5: Solve for x
   x = 649,724,168.85/18,538.88
6. Step 6: Final answer
   x = 35,046.58