Finding the Third Proportional to 6,139.55 and 7,426.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.55 : 7,426.69 = 7,426.69 : x
2. Step 2: Convert to fraction form
   6,139.55/7,426.69 = 7,426.69/x
3. Step 3: Cross multiply
   6,139.55x = 7,426.69 × 7,426.69
4. Step 4: Simplify right side
   6,139.55x = 55,155,687.22
5. Step 5: Solve for x
   x = 55,155,687.22/6,139.55
6. Step 6: Final answer
   x = 8,983.67