Finding the Third Proportional to 207,808.50 and 447,675

Step by Step Solution

1. Step 1: Write the proportion equation
   207,808.50 : 447,675 = 447,675 : x
2. Step 2: Convert to fraction form
   207,808.50/447,675 = 447,675/x
3. Step 3: Cross multiply
   207,808.50x = 447,675 × 447,675
4. Step 4: Simplify right side
   207,808.50x = 200,412,905,625
5. Step 5: Solve for x
   x = 200,412,905,625/207,808.50
6. Step 6: Final answer
   x = 964,411.49