Finding the Third Proportional to 21,751.88 and 31,986.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,751.88 : 31,986.56 = 31,986.56 : x
2. Step 2: Convert to fraction form
   21,751.88/31,986.56 = 31,986.56/x
3. Step 3: Cross multiply
   21,751.88x = 31,986.56 × 31,986.56
4. Step 4: Simplify right side
   21,751.88x = 1,023,140,180.57
5. Step 5: Solve for x
   x = 1,023,140,180.57/21,751.88
6. Step 6: Final answer
   x = 47,036.87