Finding the Third Proportional to 3,330,966 and 7,167,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,330,966 : 7,167,132 = 7,167,132 : x
2. Step 2: Convert to fraction form
   3,330,966/7,167,132 = 7,167,132/x
3. Step 3: Cross multiply
   3,330,966x = 7,167,132 × 7,167,132
4. Step 4: Simplify right side
   3,330,966x = 51,367,781,105,424
5. Step 5: Solve for x
   x = 51,367,781,105,424/3,330,966
6. Step 6: Final answer
   x = 15,421,286.53