Finding the Third Proportional to 21,540.94 and 31,491.28

Step by Step Solution

1. Step 1: Write the proportion equation
   21,540.94 : 31,491.28 = 31,491.28 : x
2. Step 2: Convert to fraction form
   21,540.94/31,491.28 = 31,491.28/x
3. Step 3: Cross multiply
   21,540.94x = 31,491.28 × 31,491.28
4. Step 4: Simplify right side
   21,540.94x = 991,700,794.77
5. Step 5: Solve for x
   x = 991,700,794.77/21,540.94
6. Step 6: Final answer
   x = 46,037.96