Finding the Third Proportional to 203,722.50 and 448,057

Step by Step Solution

1. Step 1: Write the proportion equation
   203,722.50 : 448,057 = 448,057 : x
2. Step 2: Convert to fraction form
   203,722.50/448,057 = 448,057/x
3. Step 3: Cross multiply
   203,722.50x = 448,057 × 448,057
4. Step 4: Simplify right side
   203,722.50x = 200,755,075,249
5. Step 5: Solve for x
   x = 200,755,075,249/203,722.50
6. Step 6: Final answer
   x = 985,433.99