Finding the Third Proportional to 10,196.91 and 14,359.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.91 : 14,359.78 = 14,359.78 : x
2. Step 2: Convert to fraction form
   10,196.91/14,359.78 = 14,359.78/x
3. Step 3: Cross multiply
   10,196.91x = 14,359.78 × 14,359.78
4. Step 4: Simplify right side
   10,196.91x = 206,203,317.55
5. Step 5: Solve for x
   x = 206,203,317.55/10,196.91
6. Step 6: Final answer
   x = 20,222.15