Finding the Third Proportional to 8,644.22 and 17,605.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,644.22 : 17,605.69 = 17,605.69 : x
2. Step 2: Convert to fraction form
   8,644.22/17,605.69 = 17,605.69/x
3. Step 3: Cross multiply
   8,644.22x = 17,605.69 × 17,605.69
4. Step 4: Simplify right side
   8,644.22x = 309,960,232.35
5. Step 5: Solve for x
   x = 309,960,232.35/8,644.22
6. Step 6: Final answer
   x = 35,857.52