Finding the Third Proportional to 5,748.19 and 8,134.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,748.19 : 8,134.31 = 8,134.31 : x
2. Step 2: Convert to fraction form
   5,748.19/8,134.31 = 8,134.31/x
3. Step 3: Cross multiply
   5,748.19x = 8,134.31 × 8,134.31
4. Step 4: Simplify right side
   5,748.19x = 66,167,039.85
5. Step 5: Solve for x
   x = 66,167,039.85/5,748.19
6. Step 6: Final answer
   x = 11,510.94