Finding the Third Proportional to 3,411,743 and 7,505,830

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411,743 : 7,505,830 = 7,505,830 : x
2. Step 2: Convert to fraction form
   3,411,743/7,505,830 = 7,505,830/x
3. Step 3: Cross multiply
   3,411,743x = 7,505,830 × 7,505,830
4. Step 4: Simplify right side
   3,411,743x = 56,337,483,988,900
5. Step 5: Solve for x
   x = 56,337,483,988,900/3,411,743
6. Step 6: Final answer
   x = 16,512,815.88