Finding the Third Proportional to 5,703.50 and 8,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,703.50 : 8,516.50 = 8,516.50 : x
2. Step 2: Convert to fraction form
   5,703.50/8,516.50 = 8,516.50/x
3. Step 3: Cross multiply
   5,703.50x = 8,516.50 × 8,516.50
4. Step 4: Simplify right side
   5,703.50x = 72,530,772.25
5. Step 5: Solve for x
   x = 72,530,772.25/5,703.50
6. Step 6: Final answer
   x = 12,716.89