Finding the Third Proportional to 3,370,661 and 7,280,019

Step by Step Solution

1. Step 1: Write the proportion equation
   3,370,661 : 7,280,019 = 7,280,019 : x
2. Step 2: Convert to fraction form
   3,370,661/7,280,019 = 7,280,019/x
3. Step 3: Cross multiply
   3,370,661x = 7,280,019 × 7,280,019
4. Step 4: Simplify right side
   3,370,661x = 52,998,676,640,361
5. Step 5: Solve for x
   x = 52,998,676,640,361/3,370,661
6. Step 6: Final answer
   x = 15,723,526.23