Finding the Third Proportional to 123,255 and 190,104

Step by Step Solution

1. Step 1: Write the proportion equation
   123,255 : 190,104 = 190,104 : x
2. Step 2: Convert to fraction form
   123,255/190,104 = 190,104/x
3. Step 3: Cross multiply
   123,255x = 190,104 × 190,104
4. Step 4: Simplify right side
   123,255x = 36,139,530,816
5. Step 5: Solve for x
   x = 36,139,530,816/123,255
6. Step 6: Final answer
   x = 293,209.45