Finding the Third Proportional to 140,204 and 307,550

Step by Step Solution

1. Step 1: Write the proportion equation
   140,204 : 307,550 = 307,550 : x
2. Step 2: Convert to fraction form
   140,204/307,550 = 307,550/x
3. Step 3: Cross multiply
   140,204x = 307,550 × 307,550
4. Step 4: Simplify right side
   140,204x = 94,587,002,500
5. Step 5: Solve for x
   x = 94,587,002,500/140,204
6. Step 6: Final answer
   x = 674,638.40