Finding the Third Proportional to 1,810,615 and 3,932,621

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810,615 : 3,932,621 = 3,932,621 : x
2. Step 2: Convert to fraction form
   1,810,615/3,932,621 = 3,932,621/x
3. Step 3: Cross multiply
   1,810,615x = 3,932,621 × 3,932,621
4. Step 4: Simplify right side
   1,810,615x = 15,465,507,929,641
5. Step 5: Solve for x
   x = 15,465,507,929,641/1,810,615
6. Step 6: Final answer
   x = 8,541,577.27