Finding the Third Proportional to 2,608,724 and 3,430,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,724 : 3,430,456 = 3,430,456 : x
2. Step 2: Convert to fraction form
   2,608,724/3,430,456 = 3,430,456/x
3. Step 3: Cross multiply
   2,608,724x = 3,430,456 × 3,430,456
4. Step 4: Simplify right side
   2,608,724x = 11,768,028,367,936
5. Step 5: Solve for x
   x = 11,768,028,367,936/2,608,724
6. Step 6: Final answer
   x = 4,511,028.52