Finding the Third Proportional to 6,979.61 and 12,911.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,979.61 : 12,911.27 = 12,911.27 : x
2. Step 2: Convert to fraction form
   6,979.61/12,911.27 = 12,911.27/x
3. Step 3: Cross multiply
   6,979.61x = 12,911.27 × 12,911.27
4. Step 4: Simplify right side
   6,979.61x = 166,700,981.78
5. Step 5: Solve for x
   x = 166,700,981.78/6,979.61
6. Step 6: Final answer
   x = 23,884.01