Finding the Third Proportional to 979,881 and 2,109,930

Step by Step Solution

1. Step 1: Write the proportion equation
   979,881 : 2,109,930 = 2,109,930 : x
2. Step 2: Convert to fraction form
   979,881/2,109,930 = 2,109,930/x
3. Step 3: Cross multiply
   979,881x = 2,109,930 × 2,109,930
4. Step 4: Simplify right side
   979,881x = 4,451,804,604,900
5. Step 5: Solve for x
   x = 4,451,804,604,900/979,881
6. Step 6: Final answer
   x = 4,543,209.44