Finding the Third Proportional to 4,018.50 and 9,259.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,018.50 : 9,259.88 = 9,259.88 : x
2. Step 2: Convert to fraction form
   4,018.50/9,259.88 = 9,259.88/x
3. Step 3: Cross multiply
   4,018.50x = 9,259.88 × 9,259.88
4. Step 4: Simplify right side
   4,018.50x = 85,745,285.02
5. Step 5: Solve for x
   x = 85,745,285.02/4,018.50
6. Step 6: Final answer
   x = 21,337.63