Finding the Third Proportional to 8,433.75 and 12,604.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,433.75 : 12,604.78 = 12,604.78 : x
2. Step 2: Convert to fraction form
   8,433.75/12,604.78 = 12,604.78/x
3. Step 3: Cross multiply
   8,433.75x = 12,604.78 × 12,604.78
4. Step 4: Simplify right side
   8,433.75x = 158,880,510.36
5. Step 5: Solve for x
   x = 158,880,510.36/8,433.75
6. Step 6: Final answer
   x = 18,838.66