Finding the Third Proportional to 3,315,814 and 5,272,658

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,814 : 5,272,658 = 5,272,658 : x
2. Step 2: Convert to fraction form
   3,315,814/5,272,658 = 5,272,658/x
3. Step 3: Cross multiply
   3,315,814x = 5,272,658 × 5,272,658
4. Step 4: Simplify right side
   3,315,814x = 27,800,922,384,964
5. Step 5: Solve for x
   x = 27,800,922,384,964/3,315,814
6. Step 6: Final answer
   x = 8,384,343.15