Finding the Third Proportional to 2,395,778 and 3,618,621

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395,778 : 3,618,621 = 3,618,621 : x
2. Step 2: Convert to fraction form
   2,395,778/3,618,621 = 3,618,621/x
3. Step 3: Cross multiply
   2,395,778x = 3,618,621 × 3,618,621
4. Step 4: Simplify right side
   2,395,778x = 13,094,417,941,641
5. Step 5: Solve for x
   x = 13,094,417,941,641/2,395,778
6. Step 6: Final answer
   x = 5,465,622.42