Finding the Third Proportional to 63,938 and 139,538

Step by Step Solution

1. Step 1: Write the proportion equation
   63,938 : 139,538 = 139,538 : x
2. Step 2: Convert to fraction form
   63,938/139,538 = 139,538/x
3. Step 3: Cross multiply
   63,938x = 139,538 × 139,538
4. Step 4: Simplify right side
   63,938x = 19,470,853,444
5. Step 5: Solve for x
   x = 19,470,853,444/63,938
6. Step 6: Final answer
   x = 304,527.10