Finding the Third Proportional to 8,433.56 and 12,376.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,433.56 : 12,376.69 = 12,376.69 : x
2. Step 2: Convert to fraction form
   8,433.56/12,376.69 = 12,376.69/x
3. Step 3: Cross multiply
   8,433.56x = 12,376.69 × 12,376.69
4. Step 4: Simplify right side
   8,433.56x = 153,182,393.47
5. Step 5: Solve for x
   x = 153,182,393.47/8,433.56
6. Step 6: Final answer
   x = 18,163.43