Finding the Third Proportional to 25,299 and 55,520

Step by Step Solution

1. Step 1: Write the proportion equation
   25,299 : 55,520 = 55,520 : x
2. Step 2: Convert to fraction form
   25,299/55,520 = 55,520/x
3. Step 3: Cross multiply
   25,299x = 55,520 × 55,520
4. Step 4: Simplify right side
   25,299x = 3,082,470,400
5. Step 5: Solve for x
   x = 3,082,470,400/25,299
6. Step 6: Final answer
   x = 121,841.59