Finding the Third Proportional to 140,036 and 307,288

Step by Step Solution

1. Step 1: Write the proportion equation
   140,036 : 307,288 = 307,288 : x
2. Step 2: Convert to fraction form
   140,036/307,288 = 307,288/x
3. Step 3: Cross multiply
   140,036x = 307,288 × 307,288
4. Step 4: Simplify right side
   140,036x = 94,425,914,944
5. Step 5: Solve for x
   x = 94,425,914,944/140,036
6. Step 6: Final answer
   x = 674,297.43