Finding the Third Proportional to 11,922.94 and 17,518.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,922.94 : 17,518.69 = 17,518.69 : x
2. Step 2: Convert to fraction form
   11,922.94/17,518.69 = 17,518.69/x
3. Step 3: Cross multiply
   11,922.94x = 17,518.69 × 17,518.69
4. Step 4: Simplify right side
   11,922.94x = 306,904,411.72
5. Step 5: Solve for x
   x = 306,904,411.72/11,922.94
6. Step 6: Final answer
   x = 25,740.67