Finding the Third Proportional to 1,309,676 and 2,820,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,676 : 2,820,872 = 2,820,872 : x
2. Step 2: Convert to fraction form
   1,309,676/2,820,872 = 2,820,872/x
3. Step 3: Cross multiply
   1,309,676x = 2,820,872 × 2,820,872
4. Step 4: Simplify right side
   1,309,676x = 7,957,318,840,384
5. Step 5: Solve for x
   x = 7,957,318,840,384/1,309,676
6. Step 6: Final answer
   x = 6,075,791.91