Finding the Third Proportional to 2,951.72 and 4,126.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.72 : 4,126.64 = 4,126.64 : x
2. Step 2: Convert to fraction form
   2,951.72/4,126.64 = 4,126.64/x
3. Step 3: Cross multiply
   2,951.72x = 4,126.64 × 4,126.64
4. Step 4: Simplify right side
   2,951.72x = 17,029,162.85
5. Step 5: Solve for x
   x = 17,029,162.85/2,951.72
6. Step 6: Final answer
   x = 5,769.24