Finding the Third Proportional to 111,066 and 250,009

Step by Step Solution

1. Step 1: Write the proportion equation
   111,066 : 250,009 = 250,009 : x
2. Step 2: Convert to fraction form
   111,066/250,009 = 250,009/x
3. Step 3: Cross multiply
   111,066x = 250,009 × 250,009
4. Step 4: Simplify right side
   111,066x = 62,504,500,081
5. Step 5: Solve for x
   x = 62,504,500,081/111,066
6. Step 6: Final answer
   x = 562,768.98