Finding the Third Proportional to 3,643,626 and 5,445,357

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643,626 : 5,445,357 = 5,445,357 : x
2. Step 2: Convert to fraction form
   3,643,626/5,445,357 = 5,445,357/x
3. Step 3: Cross multiply
   3,643,626x = 5,445,357 × 5,445,357
4. Step 4: Simplify right side
   3,643,626x = 29,651,912,857,449
5. Step 5: Solve for x
   x = 29,651,912,857,449/3,643,626
6. Step 6: Final answer
   x = 8,138,023.18