Finding the Third Proportional to 3,431,865 and 5,182,968

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,865 : 5,182,968 = 5,182,968 : x
2. Step 2: Convert to fraction form
   3,431,865/5,182,968 = 5,182,968/x
3. Step 3: Cross multiply
   3,431,865x = 5,182,968 × 5,182,968
4. Step 4: Simplify right side
   3,431,865x = 26,863,157,289,024
5. Step 5: Solve for x
   x = 26,863,157,289,024/3,431,865
6. Step 6: Final answer
   x = 7,827,568.18