Finding the Third Proportional to 140,500 and 300,752

Step by Step Solution

1. Step 1: Write the proportion equation
   140,500 : 300,752 = 300,752 : x
2. Step 2: Convert to fraction form
   140,500/300,752 = 300,752/x
3. Step 3: Cross multiply
   140,500x = 300,752 × 300,752
4. Step 4: Simplify right side
   140,500x = 90,451,765,504
5. Step 5: Solve for x
   x = 90,451,765,504/140,500
6. Step 6: Final answer
   x = 643,784.81