Finding the Third Proportional to 11,517 and 25,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,517 : 25,118.50 = 25,118.50 : x
2. Step 2: Convert to fraction form
   11,517/25,118.50 = 25,118.50/x
3. Step 3: Cross multiply
   11,517x = 25,118.50 × 25,118.50
4. Step 4: Simplify right side
   11,517x = 630,939,042.25
5. Step 5: Solve for x
   x = 630,939,042.25/11,517
6. Step 6: Final answer
   x = 54,783.28