Finding the Third Proportional to 4,353.89 and 9,269.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,353.89 : 9,269.72 = 9,269.72 : x
2. Step 2: Convert to fraction form
   4,353.89/9,269.72 = 9,269.72/x
3. Step 3: Cross multiply
   4,353.89x = 9,269.72 × 9,269.72
4. Step 4: Simplify right side
   4,353.89x = 85,927,685.70
5. Step 5: Solve for x
   x = 85,927,685.70/4,353.89
6. Step 6: Final answer
   x = 19,735.84