Finding the Third Proportional to 1,919,869 and 4,147,206

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,869 : 4,147,206 = 4,147,206 : x
2. Step 2: Convert to fraction form
   1,919,869/4,147,206 = 4,147,206/x
3. Step 3: Cross multiply
   1,919,869x = 4,147,206 × 4,147,206
4. Step 4: Simplify right side
   1,919,869x = 17,199,317,606,436
5. Step 5: Solve for x
   x = 17,199,317,606,436/1,919,869
6. Step 6: Final answer
   x = 8,958,589.16