Finding the Third Proportional to 25,490 and 54,886

Step by Step Solution

1. Step 1: Write the proportion equation
   25,490 : 54,886 = 54,886 : x
2. Step 2: Convert to fraction form
   25,490/54,886 = 54,886/x
3. Step 3: Cross multiply
   25,490x = 54,886 × 54,886
4. Step 4: Simplify right side
   25,490x = 3,012,472,996
5. Step 5: Solve for x
   x = 3,012,472,996/25,490
6. Step 6: Final answer
   x = 118,182.54