Finding the Third Proportional to 111,564 and 245,241

Step by Step Solution

1. Step 1: Write the proportion equation
   111,564 : 245,241 = 245,241 : x
2. Step 2: Convert to fraction form
   111,564/245,241 = 245,241/x
3. Step 3: Cross multiply
   111,564x = 245,241 × 245,241
4. Step 4: Simplify right side
   111,564x = 60,143,148,081
5. Step 5: Solve for x
   x = 60,143,148,081/111,564
6. Step 6: Final answer
   x = 539,091.00