Finding the Third Proportional to 41,691 and 91,290

Step by Step Solution

1. Step 1: Write the proportion equation
   41,691 : 91,290 = 91,290 : x
2. Step 2: Convert to fraction form
   41,691/91,290 = 91,290/x
3. Step 3: Cross multiply
   41,691x = 91,290 × 91,290
4. Step 4: Simplify right side
   41,691x = 8,333,864,100
5. Step 5: Solve for x
   x = 8,333,864,100/41,691
6. Step 6: Final answer
   x = 199,896.00