Finding the Third Proportional to 123,148 and 265,736

Step by Step Solution

1. Step 1: Write the proportion equation
   123,148 : 265,736 = 265,736 : x
2. Step 2: Convert to fraction form
   123,148/265,736 = 265,736/x
3. Step 3: Cross multiply
   123,148x = 265,736 × 265,736
4. Step 4: Simplify right side
   123,148x = 70,615,621,696
5. Step 5: Solve for x
   x = 70,615,621,696/123,148
6. Step 6: Final answer
   x = 573,420.78