Finding the Third Proportional to 1,992,634 and 4,268,729

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,634 : 4,268,729 = 4,268,729 : x
2. Step 2: Convert to fraction form
   1,992,634/4,268,729 = 4,268,729/x
3. Step 3: Cross multiply
   1,992,634x = 4,268,729 × 4,268,729
4. Step 4: Simplify right side
   1,992,634x = 18,222,047,275,441
5. Step 5: Solve for x
   x = 18,222,047,275,441/1,992,634
6. Step 6: Final answer
   x = 9,144,703.58