Finding the Third Proportional to 25,621 and 55,910

Step by Step Solution

1. Step 1: Write the proportion equation
   25,621 : 55,910 = 55,910 : x
2. Step 2: Convert to fraction form
   25,621/55,910 = 55,910/x
3. Step 3: Cross multiply
   25,621x = 55,910 × 55,910
4. Step 4: Simplify right side
   25,621x = 3,125,928,100
5. Step 5: Solve for x
   x = 3,125,928,100/25,621
6. Step 6: Final answer
   x = 122,006.48