Finding the Third Proportional to 150,088 and 317,056

Step by Step Solution

1. Step 1: Write the proportion equation
   150,088 : 317,056 = 317,056 : x
2. Step 2: Convert to fraction form
   150,088/317,056 = 317,056/x
3. Step 3: Cross multiply
   150,088x = 317,056 × 317,056
4. Step 4: Simplify right side
   150,088x = 100,524,507,136
5. Step 5: Solve for x
   x = 100,524,507,136/150,088
6. Step 6: Final answer
   x = 669,770.45