Finding the Third Proportional to 8,456.63 and 12,019.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,456.63 : 12,019.88 = 12,019.88 : x
2. Step 2: Convert to fraction form
   8,456.63/12,019.88 = 12,019.88/x
3. Step 3: Cross multiply
   8,456.63x = 12,019.88 × 12,019.88
4. Step 4: Simplify right side
   8,456.63x = 144,477,395.02
5. Step 5: Solve for x
   x = 144,477,395.02/8,456.63
6. Step 6: Final answer
   x = 17,084.52