Finding the Third Proportional to 21,216.94 and 31,827.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,216.94 : 31,827.94 = 31,827.94 : x
2. Step 2: Convert to fraction form
   21,216.94/31,827.94 = 31,827.94/x
3. Step 3: Cross multiply
   21,216.94x = 31,827.94 × 31,827.94
4. Step 4: Simplify right side
   21,216.94x = 1,013,017,605.50
5. Step 5: Solve for x
   x = 1,013,017,605.50/21,216.94
6. Step 6: Final answer
   x = 47,745.70