Finding the Third Proportional to 3,240,913 and 7,064,990

Step by Step Solution

1. Step 1: Write the proportion equation
   3,240,913 : 7,064,990 = 7,064,990 : x
2. Step 2: Convert to fraction form
   3,240,913/7,064,990 = 7,064,990/x
3. Step 3: Cross multiply
   3,240,913x = 7,064,990 × 7,064,990
4. Step 4: Simplify right side
   3,240,913x = 49,914,083,700,100
5. Step 5: Solve for x
   x = 49,914,083,700,100/3,240,913
6. Step 6: Final answer
   x = 15,401,241.47