Finding the Third Proportional to 1,997,291 and 4,274,518

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,291 : 4,274,518 = 4,274,518 : x
2. Step 2: Convert to fraction form
   1,997,291/4,274,518 = 4,274,518/x
3. Step 3: Cross multiply
   1,997,291x = 4,274,518 × 4,274,518
4. Step 4: Simplify right side
   1,997,291x = 18,271,504,132,324
5. Step 5: Solve for x
   x = 18,271,504,132,324/1,997,291
6. Step 6: Final answer
   x = 9,148,143.23