Finding the Third Proportional to 1,313,666 and 1,979,895

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,666 : 1,979,895 = 1,979,895 : x
2. Step 2: Convert to fraction form
   1,313,666/1,979,895 = 1,979,895/x
3. Step 3: Cross multiply
   1,313,666x = 1,979,895 × 1,979,895
4. Step 4: Simplify right side
   1,313,666x = 3,919,984,211,025
5. Step 5: Solve for x
   x = 3,919,984,211,025/1,313,666
6. Step 6: Final answer
   x = 2,984,003.70