Finding the Third Proportional to 57,164 and 123,112

Step by Step Solution

1. Step 1: Write the proportion equation
   57,164 : 123,112 = 123,112 : x
2. Step 2: Convert to fraction form
   57,164/123,112 = 123,112/x
3. Step 3: Cross multiply
   57,164x = 123,112 × 123,112
4. Step 4: Simplify right side
   57,164x = 15,156,564,544
5. Step 5: Solve for x
   x = 15,156,564,544/57,164
6. Step 6: Final answer
   x = 265,141.78