Finding the Third Proportional to 9,839,874 and 21,352,333

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839,874 : 21,352,333 = 21,352,333 : x
2. Step 2: Convert to fraction form
   9,839,874/21,352,333 = 21,352,333/x
3. Step 3: Cross multiply
   9,839,874x = 21,352,333 × 21,352,333
4. Step 4: Simplify right side
   9,839,874x = 455,922,124,542,889
5. Step 5: Solve for x
   x = 455,922,124,542,889/9,839,874
6. Step 6: Final answer
   x = 46,334,142.55