Finding the Third Proportional to 3,328,643 and 7,170,016

Step by Step Solution

1. Step 1: Write the proportion equation
   3,328,643 : 7,170,016 = 7,170,016 : x
2. Step 2: Convert to fraction form
   3,328,643/7,170,016 = 7,170,016/x
3. Step 3: Cross multiply
   3,328,643x = 7,170,016 × 7,170,016
4. Step 4: Simplify right side
   3,328,643x = 51,409,129,440,256
5. Step 5: Solve for x
   x = 51,409,129,440,256/3,328,643
6. Step 6: Final answer
   x = 15,444,470.75