Finding the Third Proportional to 3,431,356 and 7,427,544

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,356 : 7,427,544 = 7,427,544 : x
2. Step 2: Convert to fraction form
   3,431,356/7,427,544 = 7,427,544/x
3. Step 3: Cross multiply
   3,431,356x = 7,427,544 × 7,427,544
4. Step 4: Simplify right side
   3,431,356x = 55,168,409,871,936
5. Step 5: Solve for x
   x = 55,168,409,871,936/3,431,356
6. Step 6: Final answer
   x = 16,077,728.42