Finding the Third Proportional to 5,608 and 12,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,608 : 12,719.50 = 12,719.50 : x
2. Step 2: Convert to fraction form
   5,608/12,719.50 = 12,719.50/x
3. Step 3: Cross multiply
   5,608x = 12,719.50 × 12,719.50
4. Step 4: Simplify right side
   5,608x = 161,785,680.25
5. Step 5: Solve for x
   x = 161,785,680.25/5,608
6. Step 6: Final answer
   x = 28,849.09