Finding the Third Proportional to 1,286,266 and 2,743,398

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,266 : 2,743,398 = 2,743,398 : x
2. Step 2: Convert to fraction form
   1,286,266/2,743,398 = 2,743,398/x
3. Step 3: Cross multiply
   1,286,266x = 2,743,398 × 2,743,398
4. Step 4: Simplify right side
   1,286,266x = 7,526,232,586,404
5. Step 5: Solve for x
   x = 7,526,232,586,404/1,286,266
6. Step 6: Final answer
   x = 5,851,225.63