Finding the Third Proportional to 3,481,129 and 5,321,749

Step by Step Solution

1. Step 1: Write the proportion equation
   3,481,129 : 5,321,749 = 5,321,749 : x
2. Step 2: Convert to fraction form
   3,481,129/5,321,749 = 5,321,749/x
3. Step 3: Cross multiply
   3,481,129x = 5,321,749 × 5,321,749
4. Step 4: Simplify right side
   3,481,129x = 28,321,012,419,001
5. Step 5: Solve for x
   x = 28,321,012,419,001/3,481,129
6. Step 6: Final answer
   x = 8,135,582.57