Finding the Third Proportional to 21,258 and 49,401

Step by Step Solution

1. Step 1: Write the proportion equation
   21,258 : 49,401 = 49,401 : x
2. Step 2: Convert to fraction form
   21,258/49,401 = 49,401/x
3. Step 3: Cross multiply
   21,258x = 49,401 × 49,401
4. Step 4: Simplify right side
   21,258x = 2,440,458,801
5. Step 5: Solve for x
   x = 2,440,458,801/21,258
6. Step 6: Final answer
   x = 114,801.90