Finding the Third Proportional to 140,368 and 307,936

Step by Step Solution

1. Step 1: Write the proportion equation
   140,368 : 307,936 = 307,936 : x
2. Step 2: Convert to fraction form
   140,368/307,936 = 307,936/x
3. Step 3: Cross multiply
   140,368x = 307,936 × 307,936
4. Step 4: Simplify right side
   140,368x = 94,824,580,096
5. Step 5: Solve for x
   x = 94,824,580,096/140,368
6. Step 6: Final answer
   x = 675,542.72