Finding the Third Proportional to 107,930 and 231,718

Step by Step Solution

1. Step 1: Write the proportion equation
   107,930 : 231,718 = 231,718 : x
2. Step 2: Convert to fraction form
   107,930/231,718 = 231,718/x
3. Step 3: Cross multiply
   107,930x = 231,718 × 231,718
4. Step 4: Simplify right side
   107,930x = 53,693,231,524
5. Step 5: Solve for x
   x = 53,693,231,524/107,930
6. Step 6: Final answer
   x = 497,481.99