Finding the Third Proportional to 3,431,874 and 5,182,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,874 : 5,182,981.50 = 5,182,981.50 : x
2. Step 2: Convert to fraction form
   3,431,874/5,182,981.50 = 5,182,981.50/x
3. Step 3: Cross multiply
   3,431,874x = 5,182,981.50 × 5,182,981.50
4. Step 4: Simplify right side
   3,431,874x = 26,863,297,229,342.25
5. Step 5: Solve for x
   x = 26,863,297,229,342.25/3,431,874
6. Step 6: Final answer
   x = 7,827,588.43