Finding the Third Proportional to 4,660,380 and 9,968,452

Step by Step Solution

1. Step 1: Write the proportion equation
   4,660,380 : 9,968,452 = 9,968,452 : x
2. Step 2: Convert to fraction form
   4,660,380/9,968,452 = 9,968,452/x
3. Step 3: Cross multiply
   4,660,380x = 9,968,452 × 9,968,452
4. Step 4: Simplify right side
   4,660,380x = 99,370,035,276,304
5. Step 5: Solve for x
   x = 99,370,035,276,304/4,660,380
6. Step 6: Final answer
   x = 21,322,303.18