Finding the Third Proportional to 3,431,736 and 7,461,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,736 : 7,461,072 = 7,461,072 : x
2. Step 2: Convert to fraction form
   3,431,736/7,461,072 = 7,461,072/x
3. Step 3: Cross multiply
   3,431,736x = 7,461,072 × 7,461,072
4. Step 4: Simplify right side
   3,431,736x = 55,667,595,389,184
5. Step 5: Solve for x
   x = 55,667,595,389,184/3,431,736
6. Step 6: Final answer
   x = 16,221,409.63