Finding the Third Proportional to 140,436 and 307,944

Step by Step Solution

1. Step 1: Write the proportion equation
   140,436 : 307,944 = 307,944 : x
2. Step 2: Convert to fraction form
   140,436/307,944 = 307,944/x
3. Step 3: Cross multiply
   140,436x = 307,944 × 307,944
4. Step 4: Simplify right side
   140,436x = 94,829,507,136
5. Step 5: Solve for x
   x = 94,829,507,136/140,436
6. Step 6: Final answer
   x = 675,250.70