Finding the Third Proportional to 12,498.47 and 17,578.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.47 : 17,578.27 = 17,578.27 : x
2. Step 2: Convert to fraction form
   12,498.47/17,578.27 = 17,578.27/x
3. Step 3: Cross multiply
   12,498.47x = 17,578.27 × 17,578.27
4. Step 4: Simplify right side
   12,498.47x = 308,995,422.38
5. Step 5: Solve for x
   x = 308,995,422.38/12,498.47
6. Step 6: Final answer
   x = 24,722.66