Finding the Third Proportional to 144,898 and 307,238

Step by Step Solution

1. Step 1: Write the proportion equation
   144,898 : 307,238 = 307,238 : x
2. Step 2: Convert to fraction form
   144,898/307,238 = 307,238/x
3. Step 3: Cross multiply
   144,898x = 307,238 × 307,238
4. Step 4: Simplify right side
   144,898x = 94,395,188,644
5. Step 5: Solve for x
   x = 94,395,188,644/144,898
6. Step 6: Final answer
   x = 651,459.57