Finding the Third Proportional to 91,330 and 200,068

Step by Step Solution

1. Step 1: Write the proportion equation
   91,330 : 200,068 = 200,068 : x
2. Step 2: Convert to fraction form
   91,330/200,068 = 200,068/x
3. Step 3: Cross multiply
   91,330x = 200,068 × 200,068
4. Step 4: Simplify right side
   91,330x = 40,027,204,624
5. Step 5: Solve for x
   x = 40,027,204,624/91,330
6. Step 6: Final answer
   x = 438,270.06