Finding the Third Proportional to 1,405,708 and 2,141,646

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,708 : 2,141,646 = 2,141,646 : x
2. Step 2: Convert to fraction form
   1,405,708/2,141,646 = 2,141,646/x
3. Step 3: Cross multiply
   1,405,708x = 2,141,646 × 2,141,646
4. Step 4: Simplify right side
   1,405,708x = 4,586,647,589,316
5. Step 5: Solve for x
   x = 4,586,647,589,316/1,405,708
6. Step 6: Final answer
   x = 3,262,873.65