Finding the Third Proportional to 123,808 and 267,320

Step by Step Solution

1. Step 1: Write the proportion equation
   123,808 : 267,320 = 267,320 : x
2. Step 2: Convert to fraction form
   123,808/267,320 = 267,320/x
3. Step 3: Cross multiply
   123,808x = 267,320 × 267,320
4. Step 4: Simplify right side
   123,808x = 71,459,982,400
5. Step 5: Solve for x
   x = 71,459,982,400/123,808
6. Step 6: Final answer
   x = 577,183.88