Finding the Third Proportional to 6,479.16 and 13,980.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,479.16 : 13,980.94 = 13,980.94 : x
2. Step 2: Convert to fraction form
   6,479.16/13,980.94 = 13,980.94/x
3. Step 3: Cross multiply
   6,479.16x = 13,980.94 × 13,980.94
4. Step 4: Simplify right side
   6,479.16x = 195,466,613.38
5. Step 5: Solve for x
   x = 195,466,613.38/6,479.16
6. Step 6: Final answer
   x = 30,168.53