Finding the Third Proportional to 11,975.11 and 25,590.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,975.11 : 25,590.46 = 25,590.46 : x
2. Step 2: Convert to fraction form
   11,975.11/25,590.46 = 25,590.46/x
3. Step 3: Cross multiply
   11,975.11x = 25,590.46 × 25,590.46
4. Step 4: Simplify right side
   11,975.11x = 654,871,790.96
5. Step 5: Solve for x
   x = 654,871,790.96/11,975.11
6. Step 6: Final answer
   x = 54,686.09