Finding the Third Proportional to 1,305,993.50 and 1,978,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,305,993.50 : 1,978,742 = 1,978,742 : x
2. Step 2: Convert to fraction form
   1,305,993.50/1,978,742 = 1,978,742/x
3. Step 3: Cross multiply
   1,305,993.50x = 1,978,742 × 1,978,742
4. Step 4: Simplify right side
   1,305,993.50x = 3,915,419,902,564
5. Step 5: Solve for x
   x = 3,915,419,902,564/1,305,993.50
6. Step 6: Final answer
   x = 2,998,039.35