Finding the Third Proportional to 147,094 and 317,510

Step by Step Solution

1. Step 1: Write the proportion equation
   147,094 : 317,510 = 317,510 : x
2. Step 2: Convert to fraction form
   147,094/317,510 = 317,510/x
3. Step 3: Cross multiply
   147,094x = 317,510 × 317,510
4. Step 4: Simplify right side
   147,094x = 100,812,600,100
5. Step 5: Solve for x
   x = 100,812,600,100/147,094
6. Step 6: Final answer
   x = 685,361.74