Finding the Third Proportional to 6,518 and 13,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,518 : 13,959.50 = 13,959.50 : x
2. Step 2: Convert to fraction form
   6,518/13,959.50 = 13,959.50/x
3. Step 3: Cross multiply
   6,518x = 13,959.50 × 13,959.50
4. Step 4: Simplify right side
   6,518x = 194,867,640.25
5. Step 5: Solve for x
   x = 194,867,640.25/6,518
6. Step 6: Final answer
   x = 29,896.85