Finding the Third Proportional to 25,980 and 55,821

Step by Step Solution

1. Step 1: Write the proportion equation
   25,980 : 55,821 = 55,821 : x
2. Step 2: Convert to fraction form
   25,980/55,821 = 55,821/x
3. Step 3: Cross multiply
   25,980x = 55,821 × 55,821
4. Step 4: Simplify right side
   25,980x = 3,115,984,041
5. Step 5: Solve for x
   x = 3,115,984,041/25,980
6. Step 6: Final answer
   x = 119,937.80