Finding the Third Proportional to 140,739 and 304,968

Step by Step Solution

1. Step 1: Write the proportion equation
   140,739 : 304,968 = 304,968 : x
2. Step 2: Convert to fraction form
   140,739/304,968 = 304,968/x
3. Step 3: Cross multiply
   140,739x = 304,968 × 304,968
4. Step 4: Simplify right side
   140,739x = 93,005,481,024
5. Step 5: Solve for x
   x = 93,005,481,024/140,739
6. Step 6: Final answer
   x = 660,836.59