Finding the Third Proportional to 21,529.75 and 31,443.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,529.75 : 31,443.75 = 31,443.75 : x
2. Step 2: Convert to fraction form
   21,529.75/31,443.75 = 31,443.75/x
3. Step 3: Cross multiply
   21,529.75x = 31,443.75 × 31,443.75
4. Step 4: Simplify right side
   21,529.75x = 988,709,414.06
5. Step 5: Solve for x
   x = 988,709,414.06/21,529.75
6. Step 6: Final answer
   x = 45,922.94