Finding the Third Proportional to 14,149.69 and 20,110.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,149.69 : 20,110.78 = 20,110.78 : x
2. Step 2: Convert to fraction form
   14,149.69/20,110.78 = 20,110.78/x
3. Step 3: Cross multiply
   14,149.69x = 20,110.78 × 20,110.78
4. Step 4: Simplify right side
   14,149.69x = 404,443,522.49
5. Step 5: Solve for x
   x = 404,443,522.49/14,149.69
6. Step 6: Final answer
   x = 28,583.21