Finding the Third Proportional to 4,317.75 and 9,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,317.75 : 9,445.50 = 9,445.50 : x
2. Step 2: Convert to fraction form
   4,317.75/9,445.50 = 9,445.50/x
3. Step 3: Cross multiply
   4,317.75x = 9,445.50 × 9,445.50
4. Step 4: Simplify right side
   4,317.75x = 89,217,470.25
5. Step 5: Solve for x
   x = 89,217,470.25/4,317.75
6. Step 6: Final answer
   x = 20,662.95