Finding the Third Proportional to 15,121.69 and 24,699.94

Step by Step Solution

1. Step 1: Write the proportion equation
   15,121.69 : 24,699.94 = 24,699.94 : x
2. Step 2: Convert to fraction form
   15,121.69/24,699.94 = 24,699.94/x
3. Step 3: Cross multiply
   15,121.69x = 24,699.94 × 24,699.94
4. Step 4: Simplify right side
   15,121.69x = 610,086,912.50
5. Step 5: Solve for x
   x = 610,086,912.50/15,121.69
6. Step 6: Final answer
   x = 40,345.16