Finding the Third Proportional to 11,821.50 and 25,488

Step by Step Solution

1. Step 1: Write the proportion equation
   11,821.50 : 25,488 = 25,488 : x
2. Step 2: Convert to fraction form
   11,821.50/25,488 = 25,488/x
3. Step 3: Cross multiply
   11,821.50x = 25,488 × 25,488
4. Step 4: Simplify right side
   11,821.50x = 649,638,144
5. Step 5: Solve for x
   x = 649,638,144/11,821.50
6. Step 6: Final answer
   x = 54,953.95