Finding the Third Proportional to 4,660,382 and 9,968,456

Step by Step Solution

1. Step 1: Write the proportion equation
   4,660,382 : 9,968,456 = 9,968,456 : x
2. Step 2: Convert to fraction form
   4,660,382/9,968,456 = 9,968,456/x
3. Step 3: Cross multiply
   4,660,382x = 9,968,456 × 9,968,456
4. Step 4: Simplify right side
   4,660,382x = 99,370,115,023,936
5. Step 5: Solve for x
   x = 99,370,115,023,936/4,660,382
6. Step 6: Final answer
   x = 21,322,311.14