Finding the Third Proportional to 166,270 and 254,994

Step by Step Solution

1. Step 1: Write the proportion equation
   166,270 : 254,994 = 254,994 : x
2. Step 2: Convert to fraction form
   166,270/254,994 = 254,994/x
3. Step 3: Cross multiply
   166,270x = 254,994 × 254,994
4. Step 4: Simplify right side
   166,270x = 65,021,940,036
5. Step 5: Solve for x
   x = 65,021,940,036/166,270
6. Step 6: Final answer
   x = 391,062.37