Finding the Third Proportional to 6,154.31 and 7,111.13

Step by Step Solution

1. Step 1: Write the proportion equation
   6,154.31 : 7,111.13 = 7,111.13 : x
2. Step 2: Convert to fraction form
   6,154.31/7,111.13 = 7,111.13/x
3. Step 3: Cross multiply
   6,154.31x = 7,111.13 × 7,111.13
4. Step 4: Simplify right side
   6,154.31x = 50,568,098.77
5. Step 5: Solve for x
   x = 50,568,098.77/6,154.31
6. Step 6: Final answer
   x = 8,216.69