Finding the Third Proportional to 21,589.88 and 31,674.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,589.88 : 31,674.38 = 31,674.38 : x
2. Step 2: Convert to fraction form
   21,589.88/31,674.38 = 31,674.38/x
3. Step 3: Cross multiply
   21,589.88x = 31,674.38 × 31,674.38
4. Step 4: Simplify right side
   21,589.88x = 1,003,266,031.64
5. Step 5: Solve for x
   x = 1,003,266,031.64/21,589.88
6. Step 6: Final answer
   x = 46,469.28