Finding the Third Proportional to 123,320 and 265,054

Step by Step Solution

1. Step 1: Write the proportion equation
   123,320 : 265,054 = 265,054 : x
2. Step 2: Convert to fraction form
   123,320/265,054 = 265,054/x
3. Step 3: Cross multiply
   123,320x = 265,054 × 265,054
4. Step 4: Simplify right side
   123,320x = 70,253,622,916
5. Step 5: Solve for x
   x = 70,253,622,916/123,320
6. Step 6: Final answer
   x = 569,685.56