Finding the Third Proportional to 9,293.20 and 13,247.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,293.20 : 13,247.86 = 13,247.86 : x
2. Step 2: Convert to fraction form
   9,293.20/13,247.86 = 13,247.86/x
3. Step 3: Cross multiply
   9,293.20x = 13,247.86 × 13,247.86
4. Step 4: Simplify right side
   9,293.20x = 175,505,778.02
5. Step 5: Solve for x
   x = 175,505,778.02/9,293.20
6. Step 6: Final answer
   x = 18,885.39