Finding the Third Proportional to 25,478 and 52,756

Step by Step Solution

1. Step 1: Write the proportion equation
   25,478 : 52,756 = 52,756 : x
2. Step 2: Convert to fraction form
   25,478/52,756 = 52,756/x
3. Step 3: Cross multiply
   25,478x = 52,756 × 52,756
4. Step 4: Simplify right side
   25,478x = 2,783,195,536
5. Step 5: Solve for x
   x = 2,783,195,536/25,478
6. Step 6: Final answer
   x = 109,239.17