Finding the Third Proportional to 3,947,802 and 8,483,031

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,802 : 8,483,031 = 8,483,031 : x
2. Step 2: Convert to fraction form
   3,947,802/8,483,031 = 8,483,031/x
3. Step 3: Cross multiply
   3,947,802x = 8,483,031 × 8,483,031
4. Step 4: Simplify right side
   3,947,802x = 71,961,814,946,961
5. Step 5: Solve for x
   x = 71,961,814,946,961/3,947,802
6. Step 6: Final answer
   x = 18,228,324.25