Finding the Third Proportional to 3,240,912 and 7,064,988

Step by Step Solution

1. Step 1: Write the proportion equation
   3,240,912 : 7,064,988 = 7,064,988 : x
2. Step 2: Convert to fraction form
   3,240,912/7,064,988 = 7,064,988/x
3. Step 3: Cross multiply
   3,240,912x = 7,064,988 × 7,064,988
4. Step 4: Simplify right side
   3,240,912x = 49,914,055,440,144
5. Step 5: Solve for x
   x = 49,914,055,440,144/3,240,912
6. Step 6: Final answer
   x = 15,401,237.50