Finding the Third Proportional to 90,636 and 200,032

Step by Step Solution

1. Step 1: Write the proportion equation
   90,636 : 200,032 = 200,032 : x
2. Step 2: Convert to fraction form
   90,636/200,032 = 200,032/x
3. Step 3: Cross multiply
   90,636x = 200,032 × 200,032
4. Step 4: Simplify right side
   90,636x = 40,012,801,024
5. Step 5: Solve for x
   x = 40,012,801,024/90,636
6. Step 6: Final answer
   x = 441,466.98