Finding the Third Proportional to 1,289,186 and 2,732,048

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,186 : 2,732,048 = 2,732,048 : x
2. Step 2: Convert to fraction form
   1,289,186/2,732,048 = 2,732,048/x
3. Step 3: Cross multiply
   1,289,186x = 2,732,048 × 2,732,048
4. Step 4: Simplify right side
   1,289,186x = 7,464,086,274,304
5. Step 5: Solve for x
   x = 7,464,086,274,304/1,289,186
6. Step 6: Final answer
   x = 5,789,766.78