Finding the Third Proportional to 11,920.50 and 25,889.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,920.50 : 25,889.25 = 25,889.25 : x
2. Step 2: Convert to fraction form
   11,920.50/25,889.25 = 25,889.25/x
3. Step 3: Cross multiply
   11,920.50x = 25,889.25 × 25,889.25
4. Step 4: Simplify right side
   11,920.50x = 670,253,265.56
5. Step 5: Solve for x
   x = 670,253,265.56/11,920.50
6. Step 6: Final answer
   x = 56,226.94