Finding the Third Proportional to 25,390 and 55,018

Step by Step Solution

1. Step 1: Write the proportion equation
   25,390 : 55,018 = 55,018 : x
2. Step 2: Convert to fraction form
   25,390/55,018 = 55,018/x
3. Step 3: Cross multiply
   25,390x = 55,018 × 55,018
4. Step 4: Simplify right side
   25,390x = 3,026,980,324
5. Step 5: Solve for x
   x = 3,026,980,324/25,390
6. Step 6: Final answer
   x = 119,219.39