Finding the Third Proportional to 2,086,726 and 4,397,580

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,726 : 4,397,580 = 4,397,580 : x
2. Step 2: Convert to fraction form
   2,086,726/4,397,580 = 4,397,580/x
3. Step 3: Cross multiply
   2,086,726x = 4,397,580 × 4,397,580
4. Step 4: Simplify right side
   2,086,726x = 19,338,709,856,400
5. Step 5: Solve for x
   x = 19,338,709,856,400/2,086,726
6. Step 6: Final answer
   x = 9,267,488.81