Finding the Third Proportional to 308,059.50 and 674,093

Step by Step Solution

1. Step 1: Write the proportion equation
   308,059.50 : 674,093 = 674,093 : x
2. Step 2: Convert to fraction form
   308,059.50/674,093 = 674,093/x
3. Step 3: Cross multiply
   308,059.50x = 674,093 × 674,093
4. Step 4: Simplify right side
   308,059.50x = 454,401,372,649
5. Step 5: Solve for x
   x = 454,401,372,649/308,059.50
6. Step 6: Final answer
   x = 1,475,044.18