Finding the Third Proportional to 1,399,838 and 2,892,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,838 : 2,892,986 = 2,892,986 : x
2. Step 2: Convert to fraction form
   1,399,838/2,892,986 = 2,892,986/x
3. Step 3: Cross multiply
   1,399,838x = 2,892,986 × 2,892,986
4. Step 4: Simplify right side
   1,399,838x = 8,369,367,996,196
5. Step 5: Solve for x
   x = 8,369,367,996,196/1,399,838
6. Step 6: Final answer
   x = 5,978,811.83