Finding the Third Proportional to 199,534.50 and 443,355

Step by Step Solution

1. Step 1: Write the proportion equation
   199,534.50 : 443,355 = 443,355 : x
2. Step 2: Convert to fraction form
   199,534.50/443,355 = 443,355/x
3. Step 3: Cross multiply
   199,534.50x = 443,355 × 443,355
4. Step 4: Simplify right side
   199,534.50x = 196,563,656,025
5. Step 5: Solve for x
   x = 196,563,656,025/199,534.50
6. Step 6: Final answer
   x = 985,111.13