Finding the Third Proportional to 117,986 and 254,740

Step by Step Solution

1. Step 1: Write the proportion equation
   117,986 : 254,740 = 254,740 : x
2. Step 2: Convert to fraction form
   117,986/254,740 = 254,740/x
3. Step 3: Cross multiply
   117,986x = 254,740 × 254,740
4. Step 4: Simplify right side
   117,986x = 64,892,467,600
5. Step 5: Solve for x
   x = 64,892,467,600/117,986
6. Step 6: Final answer
   x = 550,001.42