Finding the Third Proportional to 11,972.25 and 25,458.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,972.25 : 25,458.75 = 25,458.75 : x
2. Step 2: Convert to fraction form
   11,972.25/25,458.75 = 25,458.75/x
3. Step 3: Cross multiply
   11,972.25x = 25,458.75 × 25,458.75
4. Step 4: Simplify right side
   11,972.25x = 648,147,951.56
5. Step 5: Solve for x
   x = 648,147,951.56/11,972.25
6. Step 6: Final answer
   x = 54,137.52