Finding the Third Proportional to 4,273.88 and 9,327.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,273.88 : 9,327.09 = 9,327.09 : x
2. Step 2: Convert to fraction form
   4,273.88/9,327.09 = 9,327.09/x
3. Step 3: Cross multiply
   4,273.88x = 9,327.09 × 9,327.09
4. Step 4: Simplify right side
   4,273.88x = 86,994,677.82
5. Step 5: Solve for x
   x = 86,994,677.82/4,273.88
6. Step 6: Final answer
   x = 20,354.99