Finding the Third Proportional to 10,562.91 and 14,143.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,562.91 : 14,143.36 = 14,143.36 : x
2. Step 2: Convert to fraction form
   10,562.91/14,143.36 = 14,143.36/x
3. Step 3: Cross multiply
   10,562.91x = 14,143.36 × 14,143.36
4. Step 4: Simplify right side
   10,562.91x = 200,034,614.41
5. Step 5: Solve for x
   x = 200,034,614.41/10,562.91
6. Step 6: Final answer
   x = 18,937.46