Finding the Third Proportional to 124,123 and 265,189

Step by Step Solution

1. Step 1: Write the proportion equation
   124,123 : 265,189 = 265,189 : x
2. Step 2: Convert to fraction form
   124,123/265,189 = 265,189/x
3. Step 3: Cross multiply
   124,123x = 265,189 × 265,189
4. Step 4: Simplify right side
   124,123x = 70,325,205,721
5. Step 5: Solve for x
   x = 70,325,205,721/124,123
6. Step 6: Final answer
   x = 566,576.75