Finding the Third Proportional to 123,679 and 267,122

Step by Step Solution

1. Step 1: Write the proportion equation
   123,679 : 267,122 = 267,122 : x
2. Step 2: Convert to fraction form
   123,679/267,122 = 267,122/x
3. Step 3: Cross multiply
   123,679x = 267,122 × 267,122
4. Step 4: Simplify right side
   123,679x = 71,354,162,884
5. Step 5: Solve for x
   x = 71,354,162,884/123,679
6. Step 6: Final answer
   x = 576,930.30