Finding the Third Proportional to 140,238 and 304,254

Step by Step Solution

1. Step 1: Write the proportion equation
   140,238 : 304,254 = 304,254 : x
2. Step 2: Convert to fraction form
   140,238/304,254 = 304,254/x
3. Step 3: Cross multiply
   140,238x = 304,254 × 304,254
4. Step 4: Simplify right side
   140,238x = 92,570,496,516
5. Step 5: Solve for x
   x = 92,570,496,516/140,238
6. Step 6: Final answer
   x = 660,095.67