Finding the Third Proportional to 91,886 and 200,180

Step by Step Solution

1. Step 1: Write the proportion equation
   91,886 : 200,180 = 200,180 : x
2. Step 2: Convert to fraction form
   91,886/200,180 = 200,180/x
3. Step 3: Cross multiply
   91,886x = 200,180 × 200,180
4. Step 4: Simplify right side
   91,886x = 40,072,032,400
5. Step 5: Solve for x
   x = 40,072,032,400/91,886
6. Step 6: Final answer
   x = 436,105.96