Finding the Third Proportional to 12,258 and 25,961

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258 : 25,961 = 25,961 : x
2. Step 2: Convert to fraction form
   12,258/25,961 = 25,961/x
3. Step 3: Cross multiply
   12,258x = 25,961 × 25,961
4. Step 4: Simplify right side
   12,258x = 673,973,521
5. Step 5: Solve for x
   x = 673,973,521/12,258
6. Step 6: Final answer
   x = 54,982.34