Finding the Third Proportional to 10,243.73 and 15,820.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.73 : 15,820.55 = 15,820.55 : x
2. Step 2: Convert to fraction form
   10,243.73/15,820.55 = 15,820.55/x
3. Step 3: Cross multiply
   10,243.73x = 15,820.55 × 15,820.55
4. Step 4: Simplify right side
   10,243.73x = 250,289,703.42
5. Step 5: Solve for x
   x = 250,289,703.42/10,243.73
6. Step 6: Final answer
   x = 24,433.44