Finding the Third Proportional to 1,312,899 and 2,826,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,899 : 2,826,678 = 2,826,678 : x
2. Step 2: Convert to fraction form
   1,312,899/2,826,678 = 2,826,678/x
3. Step 3: Cross multiply
   1,312,899x = 2,826,678 × 2,826,678
4. Step 4: Simplify right side
   1,312,899x = 7,990,108,515,684
5. Step 5: Solve for x
   x = 7,990,108,515,684/1,312,899
6. Step 6: Final answer
   x = 6,085,851.63