Finding the Third Proportional to 5,079.38 and 8,111.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,079.38 : 8,111.06 = 8,111.06 : x
2. Step 2: Convert to fraction form
   5,079.38/8,111.06 = 8,111.06/x
3. Step 3: Cross multiply
   5,079.38x = 8,111.06 × 8,111.06
4. Step 4: Simplify right side
   5,079.38x = 65,789,334.88
5. Step 5: Solve for x
   x = 65,789,334.88/5,079.38
6. Step 6: Final answer
   x = 12,952.25