Finding the Third Proportional to 1,245,591 and 2,728,854

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245,591 : 2,728,854 = 2,728,854 : x
2. Step 2: Convert to fraction form
   1,245,591/2,728,854 = 2,728,854/x
3. Step 3: Cross multiply
   1,245,591x = 2,728,854 × 2,728,854
4. Step 4: Simplify right side
   1,245,591x = 7,446,644,153,316
5. Step 5: Solve for x
   x = 7,446,644,153,316/1,245,591
6. Step 6: Final answer
   x = 5,978,402.34