Finding the Third Proportional to 140,692 and 308,065

Step by Step Solution

1. Step 1: Write the proportion equation
   140,692 : 308,065 = 308,065 : x
2. Step 2: Convert to fraction form
   140,692/308,065 = 308,065/x
3. Step 3: Cross multiply
   140,692x = 308,065 × 308,065
4. Step 4: Simplify right side
   140,692x = 94,904,044,225
5. Step 5: Solve for x
   x = 94,904,044,225/140,692
6. Step 6: Final answer
   x = 674,551.82