Finding the Third Proportional to 11,760.19 and 25,375.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,760.19 : 25,375.78 = 25,375.78 : x
2. Step 2: Convert to fraction form
   11,760.19/25,375.78 = 25,375.78/x
3. Step 3: Cross multiply
   11,760.19x = 25,375.78 × 25,375.78
4. Step 4: Simplify right side
   11,760.19x = 643,930,274.05
5. Step 5: Solve for x
   x = 643,930,274.05/11,760.19
6. Step 6: Final answer
   x = 54,755.10