Finding the Third Proportional to 63,916 and 139,494

Step by Step Solution

1. Step 1: Write the proportion equation
   63,916 : 139,494 = 139,494 : x
2. Step 2: Convert to fraction form
   63,916/139,494 = 139,494/x
3. Step 3: Cross multiply
   63,916x = 139,494 × 139,494
4. Step 4: Simplify right side
   63,916x = 19,458,576,036
5. Step 5: Solve for x
   x = 19,458,576,036/63,916
6. Step 6: Final answer
   x = 304,439.83