Finding the Third Proportional to 308,136 and 675,096

Step by Step Solution

1. Step 1: Write the proportion equation
   308,136 : 675,096 = 675,096 : x
2. Step 2: Convert to fraction form
   308,136/675,096 = 675,096/x
3. Step 3: Cross multiply
   308,136x = 675,096 × 675,096
4. Step 4: Simplify right side
   308,136x = 455,754,609,216
5. Step 5: Solve for x
   x = 455,754,609,216/308,136
6. Step 6: Final answer
   x = 1,479,069.66