Finding the Third Proportional to 3,380,049 and 7,515,720

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380,049 : 7,515,720 = 7,515,720 : x
2. Step 2: Convert to fraction form
   3,380,049/7,515,720 = 7,515,720/x
3. Step 3: Cross multiply
   3,380,049x = 7,515,720 × 7,515,720
4. Step 4: Simplify right side
   3,380,049x = 56,486,047,118,400
5. Step 5: Solve for x
   x = 56,486,047,118,400/3,380,049
6. Step 6: Final answer
   x = 16,711,605.99