Finding the Third Proportional to 3,674,537 and 5,515,469

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674,537 : 5,515,469 = 5,515,469 : x
2. Step 2: Convert to fraction form
   3,674,537/5,515,469 = 5,515,469/x
3. Step 3: Cross multiply
   3,674,537x = 5,515,469 × 5,515,469
4. Step 4: Simplify right side
   3,674,537x = 30,420,398,289,961
5. Step 5: Solve for x
   x = 30,420,398,289,961/3,674,537
6. Step 6: Final answer
   x = 8,278,702.40