Finding the Third Proportional to 2,587,191 and 5,442,483

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,191 : 5,442,483 = 5,442,483 : x
2. Step 2: Convert to fraction form
   2,587,191/5,442,483 = 5,442,483/x
3. Step 3: Cross multiply
   2,587,191x = 5,442,483 × 5,442,483
4. Step 4: Simplify right side
   2,587,191x = 29,620,621,205,289
5. Step 5: Solve for x
   x = 29,620,621,205,289/2,587,191
6. Step 6: Final answer
   x = 11,448,950.31