Finding the Third Proportional to 6,020.50 and 12,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,020.50 : 12,459.50 = 12,459.50 : x
2. Step 2: Convert to fraction form
   6,020.50/12,459.50 = 12,459.50/x
3. Step 3: Cross multiply
   6,020.50x = 12,459.50 × 12,459.50
4. Step 4: Simplify right side
   6,020.50x = 155,239,140.25
5. Step 5: Solve for x
   x = 155,239,140.25/6,020.50
6. Step 6: Final answer
   x = 25,785.09