Finding the Third Proportional to 3,581,836 and 5,512,120

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581,836 : 5,512,120 = 5,512,120 : x
2. Step 2: Convert to fraction form
   3,581,836/5,512,120 = 5,512,120/x
3. Step 3: Cross multiply
   3,581,836x = 5,512,120 × 5,512,120
4. Step 4: Simplify right side
   3,581,836x = 30,383,466,894,400
5. Step 5: Solve for x
   x = 30,383,466,894,400/3,581,836
6. Step 6: Final answer
   x = 8,482,651.61