Finding the Third Proportional to 1,288,388 and 2,743,096

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,388 : 2,743,096 = 2,743,096 : x
2. Step 2: Convert to fraction form
   1,288,388/2,743,096 = 2,743,096/x
3. Step 3: Cross multiply
   1,288,388x = 2,743,096 × 2,743,096
4. Step 4: Simplify right side
   1,288,388x = 7,524,575,665,216
5. Step 5: Solve for x
   x = 7,524,575,665,216/1,288,388
6. Step 6: Final answer
   x = 5,840,302.51