Finding the Third Proportional to 21,915.63 and 31,010.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,915.63 : 31,010.44 = 31,010.44 : x
2. Step 2: Convert to fraction form
   21,915.63/31,010.44 = 31,010.44/x
3. Step 3: Cross multiply
   21,915.63x = 31,010.44 × 31,010.44
4. Step 4: Simplify right side
   21,915.63x = 961,647,233.94
5. Step 5: Solve for x
   x = 961,647,233.94/21,915.63
6. Step 6: Final answer
   x = 43,879.53