Finding the Third Proportional to 123,812 and 267,328

Step by Step Solution

1. Step 1: Write the proportion equation
   123,812 : 267,328 = 267,328 : x
2. Step 2: Convert to fraction form
   123,812/267,328 = 267,328/x
3. Step 3: Cross multiply
   123,812x = 267,328 × 267,328
4. Step 4: Simplify right side
   123,812x = 71,464,259,584
5. Step 5: Solve for x
   x = 71,464,259,584/123,812
6. Step 6: Final answer
   x = 577,199.78