Finding the Third Proportional to 199,548 and 443,385

Step by Step Solution

1. Step 1: Write the proportion equation
   199,548 : 443,385 = 443,385 : x
2. Step 2: Convert to fraction form
   199,548/443,385 = 443,385/x
3. Step 3: Cross multiply
   199,548x = 443,385 × 443,385
4. Step 4: Simplify right side
   199,548x = 196,590,258,225
5. Step 5: Solve for x
   x = 196,590,258,225/199,548
6. Step 6: Final answer
   x = 985,177.79