Finding the Third Proportional to 3,431,514 and 7,394,878

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,514 : 7,394,878 = 7,394,878 : x
2. Step 2: Convert to fraction form
   3,431,514/7,394,878 = 7,394,878/x
3. Step 3: Cross multiply
   3,431,514x = 7,394,878 × 7,394,878
4. Step 4: Simplify right side
   3,431,514x = 54,684,220,634,884
5. Step 5: Solve for x
   x = 54,684,220,634,884/3,431,514
6. Step 6: Final answer
   x = 15,935,887.38