Finding the Third Proportional to 202,486 and 443,108

Step by Step Solution

1. Step 1: Write the proportion equation
   202,486 : 443,108 = 443,108 : x
2. Step 2: Convert to fraction form
   202,486/443,108 = 443,108/x
3. Step 3: Cross multiply
   202,486x = 443,108 × 443,108
4. Step 4: Simplify right side
   202,486x = 196,344,699,664
5. Step 5: Solve for x
   x = 196,344,699,664/202,486
6. Step 6: Final answer
   x = 969,670.49