Finding the Third Proportional to 3,917,136 and 8,304,544

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917,136 : 8,304,544 = 8,304,544 : x
2. Step 2: Convert to fraction form
   3,917,136/8,304,544 = 8,304,544/x
3. Step 3: Cross multiply
   3,917,136x = 8,304,544 × 8,304,544
4. Step 4: Simplify right side
   3,917,136x = 68,965,451,047,936
5. Step 5: Solve for x
   x = 68,965,451,047,936/3,917,136
6. Step 6: Final answer
   x = 17,606,090.53