Finding the Third Proportional to 1,288,442 and 2,747,511

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,442 : 2,747,511 = 2,747,511 : x
2. Step 2: Convert to fraction form
   1,288,442/2,747,511 = 2,747,511/x
3. Step 3: Cross multiply
   1,288,442x = 2,747,511 × 2,747,511
4. Step 4: Simplify right side
   1,288,442x = 7,548,816,695,121
5. Step 5: Solve for x
   x = 7,548,816,695,121/1,288,442
6. Step 6: Final answer
   x = 5,858,871.95