Finding the Third Proportional to 206,149.50 and 447,549

Step by Step Solution

1. Step 1: Write the proportion equation
   206,149.50 : 447,549 = 447,549 : x
2. Step 2: Convert to fraction form
   206,149.50/447,549 = 447,549/x
3. Step 3: Cross multiply
   206,149.50x = 447,549 × 447,549
4. Step 4: Simplify right side
   206,149.50x = 200,300,107,401
5. Step 5: Solve for x
   x = 200,300,107,401/206,149.50
6. Step 6: Final answer
   x = 971,625.48