Finding the Third Proportional to 64,616 and 139,951

Step by Step Solution

1. Step 1: Write the proportion equation
   64,616 : 139,951 = 139,951 : x
2. Step 2: Convert to fraction form
   64,616/139,951 = 139,951/x
3. Step 3: Cross multiply
   64,616x = 139,951 × 139,951
4. Step 4: Simplify right side
   64,616x = 19,586,282,401
5. Step 5: Solve for x
   x = 19,586,282,401/64,616
6. Step 6: Final answer
   x = 303,118.15