Finding the Third Proportional to 2,086,528 and 4,397,222

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,528 : 4,397,222 = 4,397,222 : x
2. Step 2: Convert to fraction form
   2,086,528/4,397,222 = 4,397,222/x
3. Step 3: Cross multiply
   2,086,528x = 4,397,222 × 4,397,222
4. Step 4: Simplify right side
   2,086,528x = 19,335,561,317,284
5. Step 5: Solve for x
   x = 19,335,561,317,284/2,086,528
6. Step 6: Final answer
   x = 9,266,859.26