Finding the Third Proportional to 6,330 and 7,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,330 : 7,018.50 = 7,018.50 : x
2. Step 2: Convert to fraction form
   6,330/7,018.50 = 7,018.50/x
3. Step 3: Cross multiply
   6,330x = 7,018.50 × 7,018.50
4. Step 4: Simplify right side
   6,330x = 49,259,342.25
5. Step 5: Solve for x
   x = 49,259,342.25/6,330
6. Step 6: Final answer
   x = 7,781.89