Finding the Third Proportional to 25,478 and 55,348

Step by Step Solution

1. Step 1: Write the proportion equation
   25,478 : 55,348 = 55,348 : x
2. Step 2: Convert to fraction form
   25,478/55,348 = 55,348/x
3. Step 3: Cross multiply
   25,478x = 55,348 × 55,348
4. Step 4: Simplify right side
   25,478x = 3,063,401,104
5. Step 5: Solve for x
   x = 3,063,401,104/25,478
6. Step 6: Final answer
   x = 120,237.11