Finding the Third Proportional to 4,321.69 and 9,552.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,321.69 : 9,552.09 = 9,552.09 : x
2. Step 2: Convert to fraction form
   4,321.69/9,552.09 = 9,552.09/x
3. Step 3: Cross multiply
   4,321.69x = 9,552.09 × 9,552.09
4. Step 4: Simplify right side
   4,321.69x = 91,242,495.01
5. Step 5: Solve for x
   x = 91,242,495.01/4,321.69
6. Step 6: Final answer
   x = 21,112.70