Finding the Third Proportional to 2,000,345 and 4,320,556

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000,345 : 4,320,556 = 4,320,556 : x
2. Step 2: Convert to fraction form
   2,000,345/4,320,556 = 4,320,556/x
3. Step 3: Cross multiply
   2,000,345x = 4,320,556 × 4,320,556
4. Step 4: Simplify right side
   2,000,345x = 18,667,204,149,136
5. Step 5: Solve for x
   x = 18,667,204,149,136/2,000,345
6. Step 6: Final answer
   x = 9,331,992.31