Finding the Third Proportional to 140,048 and 307,308

Step by Step Solution

1. Step 1: Write the proportion equation
   140,048 : 307,308 = 307,308 : x
2. Step 2: Convert to fraction form
   140,048/307,308 = 307,308/x
3. Step 3: Cross multiply
   140,048x = 307,308 × 307,308
4. Step 4: Simplify right side
   140,048x = 94,438,206,864
5. Step 5: Solve for x
   x = 94,438,206,864/140,048
6. Step 6: Final answer
   x = 674,327.42