Finding the Third Proportional to 211,526 and 443,804

Step by Step Solution

1. Step 1: Write the proportion equation
   211,526 : 443,804 = 443,804 : x
2. Step 2: Convert to fraction form
   211,526/443,804 = 443,804/x
3. Step 3: Cross multiply
   211,526x = 443,804 × 443,804
4. Step 4: Simplify right side
   211,526x = 196,961,990,416
5. Step 5: Solve for x
   x = 196,961,990,416/211,526
6. Step 6: Final answer
   x = 931,147.90