Finding the Third Proportional to 1,919,790 and 4,147,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,790 : 4,147,456 = 4,147,456 : x
2. Step 2: Convert to fraction form
   1,919,790/4,147,456 = 4,147,456/x
3. Step 3: Cross multiply
   1,919,790x = 4,147,456 × 4,147,456
4. Step 4: Simplify right side
   1,919,790x = 17,201,391,271,936
5. Step 5: Solve for x
   x = 17,201,391,271,936/1,919,790
6. Step 6: Final answer
   x = 8,960,037.96