Finding the Third Proportional to 25,188 and 54,870

Step by Step Solution

1. Step 1: Write the proportion equation
   25,188 : 54,870 = 54,870 : x
2. Step 2: Convert to fraction form
   25,188/54,870 = 54,870/x
3. Step 3: Cross multiply
   25,188x = 54,870 × 54,870
4. Step 4: Simplify right side
   25,188x = 3,010,716,900
5. Step 5: Solve for x
   x = 3,010,716,900/25,188
6. Step 6: Final answer
   x = 119,529.81