Finding the Third Proportional to 11,911.50 and 25,461.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.50 : 25,461.75 = 25,461.75 : x
2. Step 2: Convert to fraction form
   11,911.50/25,461.75 = 25,461.75/x
3. Step 3: Cross multiply
   11,911.50x = 25,461.75 × 25,461.75
4. Step 4: Simplify right side
   11,911.50x = 648,300,713.06
5. Step 5: Solve for x
   x = 648,300,713.06/11,911.50
6. Step 6: Final answer
   x = 54,426.45