Finding the Third Proportional to 308,059 and 674,092

Step by Step Solution

1. Step 1: Write the proportion equation
   308,059 : 674,092 = 674,092 : x
2. Step 2: Convert to fraction form
   308,059/674,092 = 674,092/x
3. Step 3: Cross multiply
   308,059x = 674,092 × 674,092
4. Step 4: Simplify right side
   308,059x = 454,400,024,464
5. Step 5: Solve for x
   x = 454,400,024,464/308,059
6. Step 6: Final answer
   x = 1,475,042.20