Finding the Third Proportional to 3,268,404 and 7,181,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,268,404 : 7,181,784 = 7,181,784 : x
2. Step 2: Convert to fraction form
   3,268,404/7,181,784 = 7,181,784/x
3. Step 3: Cross multiply
   3,268,404x = 7,181,784 × 7,181,784
4. Step 4: Simplify right side
   3,268,404x = 51,578,021,422,656
5. Step 5: Solve for x
   x = 51,578,021,422,656/3,268,404
6. Step 6: Final answer
   x = 15,780,797.42