Finding the Third Proportional to 140,377.50 and 300,852

Step by Step Solution

1. Step 1: Write the proportion equation
   140,377.50 : 300,852 = 300,852 : x
2. Step 2: Convert to fraction form
   140,377.50/300,852 = 300,852/x
3. Step 3: Cross multiply
   140,377.50x = 300,852 × 300,852
4. Step 4: Simplify right side
   140,377.50x = 90,511,925,904
5. Step 5: Solve for x
   x = 90,511,925,904/140,377.50
6. Step 6: Final answer
   x = 644,775.17