Finding the Third Proportional to 5,863,648 and 12,729,984

Step by Step Solution

1. Step 1: Write the proportion equation
   5,863,648 : 12,729,984 = 12,729,984 : x
2. Step 2: Convert to fraction form
   5,863,648/12,729,984 = 12,729,984/x
3. Step 3: Cross multiply
   5,863,648x = 12,729,984 × 12,729,984
4. Step 4: Simplify right side
   5,863,648x = 162,052,492,640,256
5. Step 5: Solve for x
   x = 162,052,492,640,256/5,863,648
6. Step 6: Final answer
   x = 27,636,804.36