Finding the Third Proportional to 25,517 and 55,918

Step by Step Solution

1. Step 1: Write the proportion equation
   25,517 : 55,918 = 55,918 : x
2. Step 2: Convert to fraction form
   25,517/55,918 = 55,918/x
3. Step 3: Cross multiply
   25,517x = 55,918 × 55,918
4. Step 4: Simplify right side
   25,517x = 3,126,822,724
5. Step 5: Solve for x
   x = 3,126,822,724/25,517
6. Step 6: Final answer
   x = 122,538.81