Finding the Third Proportional to 3,542,220 and 5,355,558

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,220 : 5,355,558 = 5,355,558 : x
2. Step 2: Convert to fraction form
   3,542,220/5,355,558 = 5,355,558/x
3. Step 3: Cross multiply
   3,542,220x = 5,355,558 × 5,355,558
4. Step 4: Simplify right side
   3,542,220x = 28,682,001,491,364
5. Step 5: Solve for x
   x = 28,682,001,491,364/3,542,220
6. Step 6: Final answer
   x = 8,097,182.41