Finding the Third Proportional to 1,288,384 and 2,743,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,384 : 2,743,088 = 2,743,088 : x
2. Step 2: Convert to fraction form
   1,288,384/2,743,088 = 2,743,088/x
3. Step 3: Cross multiply
   1,288,384x = 2,743,088 × 2,743,088
4. Step 4: Simplify right side
   1,288,384x = 7,524,531,775,744
5. Step 5: Solve for x
   x = 7,524,531,775,744/1,288,384
6. Step 6: Final answer
   x = 5,840,286.57