Finding the Third Proportional to 91,104 and 200,145

Step by Step Solution

1. Step 1: Write the proportion equation
   91,104 : 200,145 = 200,145 : x
2. Step 2: Convert to fraction form
   91,104/200,145 = 200,145/x
3. Step 3: Cross multiply
   91,104x = 200,145 × 200,145
4. Step 4: Simplify right side
   91,104x = 40,058,021,025
5. Step 5: Solve for x
   x = 40,058,021,025/91,104
6. Step 6: Final answer
   x = 439,695.52