Finding the Third Proportional to 1,309,969 and 2,864,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,969 : 2,864,336 = 2,864,336 : x
2. Step 2: Convert to fraction form
   1,309,969/2,864,336 = 2,864,336/x
3. Step 3: Cross multiply
   1,309,969x = 2,864,336 × 2,864,336
4. Step 4: Simplify right side
   1,309,969x = 8,204,420,720,896
5. Step 5: Solve for x
   x = 8,204,420,720,896/1,309,969
6. Step 6: Final answer
   x = 6,263,064.79