Finding the Third Proportional to 123,136 and 265,954

Step by Step Solution

1. Step 1: Write the proportion equation
   123,136 : 265,954 = 265,954 : x
2. Step 2: Convert to fraction form
   123,136/265,954 = 265,954/x
3. Step 3: Cross multiply
   123,136x = 265,954 × 265,954
4. Step 4: Simplify right side
   123,136x = 70,731,530,116
5. Step 5: Solve for x
   x = 70,731,530,116/123,136
6. Step 6: Final answer
   x = 574,417.96