Finding the Third Proportional to 117,801 and 245,538

Step by Step Solution

1. Step 1: Write the proportion equation
   117,801 : 245,538 = 245,538 : x
2. Step 2: Convert to fraction form
   117,801/245,538 = 245,538/x
3. Step 3: Cross multiply
   117,801x = 245,538 × 245,538
4. Step 4: Simplify right side
   117,801x = 60,288,909,444
5. Step 5: Solve for x
   x = 60,288,909,444/117,801
6. Step 6: Final answer
   x = 511,786.06