Finding the Third Proportional to 979,809 and 1,998,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   979,809 : 1,998,982.50 = 1,998,982.50 : x
2. Step 2: Convert to fraction form
   979,809/1,998,982.50 = 1,998,982.50/x
3. Step 3: Cross multiply
   979,809x = 1,998,982.50 × 1,998,982.50
4. Step 4: Simplify right side
   979,809x = 3,995,931,035,306.25
5. Step 5: Solve for x
   x = 3,995,931,035,306.25/979,809
6. Step 6: Final answer
   x = 4,078,275.50