Finding the Third Proportional to 140,796 and 307,836

Step by Step Solution

1. Step 1: Write the proportion equation
   140,796 : 307,836 = 307,836 : x
2. Step 2: Convert to fraction form
   140,796/307,836 = 307,836/x
3. Step 3: Cross multiply
   140,796x = 307,836 × 307,836
4. Step 4: Simplify right side
   140,796x = 94,763,002,896
5. Step 5: Solve for x
   x = 94,763,002,896/140,796
6. Step 6: Final answer
   x = 673,051.81