Finding the Third Proportional to 1,405,558 and 3,081,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,558 : 3,081,980 = 3,081,980 : x
2. Step 2: Convert to fraction form
   1,405,558/3,081,980 = 3,081,980/x
3. Step 3: Cross multiply
   1,405,558x = 3,081,980 × 3,081,980
4. Step 4: Simplify right side
   1,405,558x = 9,498,600,720,400
5. Step 5: Solve for x
   x = 9,498,600,720,400/1,405,558
6. Step 6: Final answer
   x = 6,757,885.99