Finding the Third Proportional to 1,286,262 and 2,743,389

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,262 : 2,743,389 = 2,743,389 : x
2. Step 2: Convert to fraction form
   1,286,262/2,743,389 = 2,743,389/x
3. Step 3: Cross multiply
   1,286,262x = 2,743,389 × 2,743,389
4. Step 4: Simplify right side
   1,286,262x = 7,526,183,205,321
5. Step 5: Solve for x
   x = 7,526,183,205,321/1,286,262
6. Step 6: Final answer
   x = 5,851,205.44