Finding the Third Proportional to 3,839,413 and 8,264,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,413 : 8,264,132 = 8,264,132 : x
2. Step 2: Convert to fraction form
   3,839,413/8,264,132 = 8,264,132/x
3. Step 3: Cross multiply
   3,839,413x = 8,264,132 × 8,264,132
4. Step 4: Simplify right side
   3,839,413x = 68,295,877,713,424
5. Step 5: Solve for x
   x = 68,295,877,713,424/3,839,413
6. Step 6: Final answer
   x = 17,788,103.99