Finding the Third Proportional to 91,006 and 200,012

Step by Step Solution

1. Step 1: Write the proportion equation
   91,006 : 200,012 = 200,012 : x
2. Step 2: Convert to fraction form
   91,006/200,012 = 200,012/x
3. Step 3: Cross multiply
   91,006x = 200,012 × 200,012
4. Step 4: Simplify right side
   91,006x = 40,004,800,144
5. Step 5: Solve for x
   x = 40,004,800,144/91,006
6. Step 6: Final answer
   x = 439,584.20