Finding the Third Proportional to 123,136 and 265,104

Step by Step Solution

1. Step 1: Write the proportion equation
   123,136 : 265,104 = 265,104 : x
2. Step 2: Convert to fraction form
   123,136/265,104 = 265,104/x
3. Step 3: Cross multiply
   123,136x = 265,104 × 265,104
4. Step 4: Simplify right side
   123,136x = 70,280,130,816
5. Step 5: Solve for x
   x = 70,280,130,816/123,136
6. Step 6: Final answer
   x = 570,752.10