Finding the Third Proportional to 2,684,240 and 4,065,431

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684,240 : 4,065,431 = 4,065,431 : x
2. Step 2: Convert to fraction form
   2,684,240/4,065,431 = 4,065,431/x
3. Step 3: Cross multiply
   2,684,240x = 4,065,431 × 4,065,431
4. Step 4: Simplify right side
   2,684,240x = 16,527,729,215,761
5. Step 5: Solve for x
   x = 16,527,729,215,761/2,684,240
6. Step 6: Final answer
   x = 6,157,321.71