Finding the Third Proportional to 64,179 and 139,049

Step by Step Solution

1. Step 1: Write the proportion equation
   64,179 : 139,049 = 139,049 : x
2. Step 2: Convert to fraction form
   64,179/139,049 = 139,049/x
3. Step 3: Cross multiply
   64,179x = 139,049 × 139,049
4. Step 4: Simplify right side
   64,179x = 19,334,624,401
5. Step 5: Solve for x
   x = 19,334,624,401/64,179
6. Step 6: Final answer
   x = 301,260.92