Finding the Third Proportional to 123,020 and 200,877

Step by Step Solution

1. Step 1: Write the proportion equation
   123,020 : 200,877 = 200,877 : x
2. Step 2: Convert to fraction form
   123,020/200,877 = 200,877/x
3. Step 3: Cross multiply
   123,020x = 200,877 × 200,877
4. Step 4: Simplify right side
   123,020x = 40,351,569,129
5. Step 5: Solve for x
   x = 40,351,569,129/123,020
6. Step 6: Final answer
   x = 328,008.20