Finding the Third Proportional to 200,442 and 435,084

Step by Step Solution

1. Step 1: Write the proportion equation
   200,442 : 435,084 = 435,084 : x
2. Step 2: Convert to fraction form
   200,442/435,084 = 435,084/x
3. Step 3: Cross multiply
   200,442x = 435,084 × 435,084
4. Step 4: Simplify right side
   200,442x = 189,298,087,056
5. Step 5: Solve for x
   x = 189,298,087,056/200,442
6. Step 6: Final answer
   x = 944,403.30