Finding the Third Proportional to 3,492,874 and 5,217,743

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492,874 : 5,217,743 = 5,217,743 : x
2. Step 2: Convert to fraction form
   3,492,874/5,217,743 = 5,217,743/x
3. Step 3: Cross multiply
   3,492,874x = 5,217,743 × 5,217,743
4. Step 4: Simplify right side
   3,492,874x = 27,224,842,014,049
5. Step 5: Solve for x
   x = 27,224,842,014,049/3,492,874
6. Step 6: Final answer
   x = 7,794,395.68