Finding the Third Proportional to 2,132,398 and 4,415,698

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132,398 : 4,415,698 = 4,415,698 : x
2. Step 2: Convert to fraction form
   2,132,398/4,415,698 = 4,415,698/x
3. Step 3: Cross multiply
   2,132,398x = 4,415,698 × 4,415,698
4. Step 4: Simplify right side
   2,132,398x = 19,498,388,827,204
5. Step 5: Solve for x
   x = 19,498,388,827,204/2,132,398
6. Step 6: Final answer
   x = 9,143,878.78