Finding the Third Proportional to 5,134.50 and 8,061.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,134.50 : 8,061.19 = 8,061.19 : x
2. Step 2: Convert to fraction form
   5,134.50/8,061.19 = 8,061.19/x
3. Step 3: Cross multiply
   5,134.50x = 8,061.19 × 8,061.19
4. Step 4: Simplify right side
   5,134.50x = 64,982,743.91
5. Step 5: Solve for x
   x = 64,982,743.91/5,134.50
6. Step 6: Final answer
   x = 12,656.10