Finding the Third Proportional to 4,393.93 and 9,667.79

Step by Step Solution

1. Step 1: Write the proportion equation
   4,393.93 : 9,667.79 = 9,667.79 : x
2. Step 2: Convert to fraction form
   4,393.93/9,667.79 = 9,667.79/x
3. Step 3: Cross multiply
   4,393.93x = 9,667.79 × 9,667.79
4. Step 4: Simplify right side
   4,393.93x = 93,466,220.89
5. Step 5: Solve for x
   x = 93,466,220.89/4,393.93
6. Step 6: Final answer
   x = 21,271.65