Finding the Third Proportional to 56,058 and 123,168

Step by Step Solution

1. Step 1: Write the proportion equation
   56,058 : 123,168 = 123,168 : x
2. Step 2: Convert to fraction form
   56,058/123,168 = 123,168/x
3. Step 3: Cross multiply
   56,058x = 123,168 × 123,168
4. Step 4: Simplify right side
   56,058x = 15,170,356,224
5. Step 5: Solve for x
   x = 15,170,356,224/56,058
6. Step 6: Final answer
   x = 270,618.93