Finding the Third Proportional to 123,135 and 265,956

Step by Step Solution

1. Step 1: Write the proportion equation
   123,135 : 265,956 = 265,956 : x
2. Step 2: Convert to fraction form
   123,135/265,956 = 265,956/x
3. Step 3: Cross multiply
   123,135x = 265,956 × 265,956
4. Step 4: Simplify right side
   123,135x = 70,732,593,936
5. Step 5: Solve for x
   x = 70,732,593,936/123,135
6. Step 6: Final answer
   x = 574,431.27