Finding the Third Proportional to 57,440 and 123,224

Step by Step Solution

1. Step 1: Write the proportion equation
   57,440 : 123,224 = 123,224 : x
2. Step 2: Convert to fraction form
   57,440/123,224 = 123,224/x
3. Step 3: Cross multiply
   57,440x = 123,224 × 123,224
4. Step 4: Simplify right side
   57,440x = 15,184,154,176
5. Step 5: Solve for x
   x = 15,184,154,176/57,440
6. Step 6: Final answer
   x = 264,348.09