Finding the Third Proportional to 6,131.72 and 12,993.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.72 : 12,993.86 = 12,993.86 : x
2. Step 2: Convert to fraction form
   6,131.72/12,993.86 = 12,993.86/x
3. Step 3: Cross multiply
   6,131.72x = 12,993.86 × 12,993.86
4. Step 4: Simplify right side
   6,131.72x = 168,840,279.94
5. Step 5: Solve for x
   x = 168,840,279.94/6,131.72
6. Step 6: Final answer
   x = 27,535.57