Finding the Third Proportional to 4,493.25 and 9,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,493.25 : 9,715.50 = 9,715.50 : x
2. Step 2: Convert to fraction form
   4,493.25/9,715.50 = 9,715.50/x
3. Step 3: Cross multiply
   4,493.25x = 9,715.50 × 9,715.50
4. Step 4: Simplify right side
   4,493.25x = 94,390,940.25
5. Step 5: Solve for x
   x = 94,390,940.25/4,493.25
6. Step 6: Final answer
   x = 21,007.28