Finding the Third Proportional to 21,262.94 and 31,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,262.94 : 31,279.25 = 31,279.25 : x
2. Step 2: Convert to fraction form
   21,262.94/31,279.25 = 31,279.25/x
3. Step 3: Cross multiply
   21,262.94x = 31,279.25 × 31,279.25
4. Step 4: Simplify right side
   21,262.94x = 978,391,480.56
5. Step 5: Solve for x
   x = 978,391,480.56/21,262.94
6. Step 6: Final answer
   x = 46,013.94