Finding the Third Proportional to 8,583.19 and 12,250.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,583.19 : 12,250.69 = 12,250.69 : x
2. Step 2: Convert to fraction form
   8,583.19/12,250.69 = 12,250.69/x
3. Step 3: Cross multiply
   8,583.19x = 12,250.69 × 12,250.69
4. Step 4: Simplify right side
   8,583.19x = 150,079,344.22
5. Step 5: Solve for x
   x = 150,079,344.22/8,583.19
6. Step 6: Final answer
   x = 17,485.27