Finding the Third Proportional to 1,326,448 and 2,864,689

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326,448 : 2,864,689 = 2,864,689 : x
2. Step 2: Convert to fraction form
   1,326,448/2,864,689 = 2,864,689/x
3. Step 3: Cross multiply
   1,326,448x = 2,864,689 × 2,864,689
4. Step 4: Simplify right side
   1,326,448x = 8,206,443,066,721
5. Step 5: Solve for x
   x = 8,206,443,066,721/1,326,448
6. Step 6: Final answer
   x = 6,186,780.84