Finding the Third Proportional to 8,030.39 and 12,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,030.39 : 12,028.50 = 12,028.50 : x
2. Step 2: Convert to fraction form
   8,030.39/12,028.50 = 12,028.50/x
3. Step 3: Cross multiply
   8,030.39x = 12,028.50 × 12,028.50
4. Step 4: Simplify right side
   8,030.39x = 144,684,812.25
5. Step 5: Solve for x
   x = 144,684,812.25/8,030.39
6. Step 6: Final answer
   x = 18,017.16