Finding the Third Proportional to 4,057,263 and 8,567,238

Step by Step Solution

1. Step 1: Write the proportion equation
   4,057,263 : 8,567,238 = 8,567,238 : x
2. Step 2: Convert to fraction form
   4,057,263/8,567,238 = 8,567,238/x
3. Step 3: Cross multiply
   4,057,263x = 8,567,238 × 8,567,238
4. Step 4: Simplify right side
   4,057,263x = 73,397,566,948,644
5. Step 5: Solve for x
   x = 73,397,566,948,644/4,057,263
6. Step 6: Final answer
   x = 18,090,413.89