Finding the Third Proportional to 1,313,676 and 1,979,913

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,676 : 1,979,913 = 1,979,913 : x
2. Step 2: Convert to fraction form
   1,313,676/1,979,913 = 1,979,913/x
3. Step 3: Cross multiply
   1,313,676x = 1,979,913 × 1,979,913
4. Step 4: Simplify right side
   1,313,676x = 3,920,055,487,569
5. Step 5: Solve for x
   x = 3,920,055,487,569/1,313,676
6. Step 6: Final answer
   x = 2,984,035.25