Finding the Third Proportional to 3,887,959 and 8,483,412

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887,959 : 8,483,412 = 8,483,412 : x
2. Step 2: Convert to fraction form
   3,887,959/8,483,412 = 8,483,412/x
3. Step 3: Cross multiply
   3,887,959x = 8,483,412 × 8,483,412
4. Step 4: Simplify right side
   3,887,959x = 71,968,279,161,744
5. Step 5: Solve for x
   x = 71,968,279,161,744/3,887,959
6. Step 6: Final answer
   x = 18,510,555.07