Finding the Third Proportional to 979,815 and 1,998,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   979,815 : 1,998,994.50 = 1,998,994.50 : x
2. Step 2: Convert to fraction form
   979,815/1,998,994.50 = 1,998,994.50/x
3. Step 3: Cross multiply
   979,815x = 1,998,994.50 × 1,998,994.50
4. Step 4: Simplify right side
   979,815x = 3,995,979,011,030.25
5. Step 5: Solve for x
   x = 3,995,979,011,030.25/979,815
6. Step 6: Final answer
   x = 4,078,299.49