Finding the Third Proportional to 3,839,763 and 8,249,357

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,763 : 8,249,357 = 8,249,357 : x
2. Step 2: Convert to fraction form
   3,839,763/8,249,357 = 8,249,357/x
3. Step 3: Cross multiply
   3,839,763x = 8,249,357 × 8,249,357
4. Step 4: Simplify right side
   3,839,763x = 68,051,890,913,449
5. Step 5: Solve for x
   x = 68,051,890,913,449/3,839,763
6. Step 6: Final answer
   x = 17,722,940.43