Finding the Third Proportional to 11,911.22 and 25,406.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.22 : 25,406.16 = 25,406.16 : x
2. Step 2: Convert to fraction form
   11,911.22/25,406.16 = 25,406.16/x
3. Step 3: Cross multiply
   11,911.22x = 25,406.16 × 25,406.16
4. Step 4: Simplify right side
   11,911.22x = 645,472,775.40
5. Step 5: Solve for x
   x = 645,472,775.40/11,911.22
6. Step 6: Final answer
   x = 54,190.32