Finding the Third Proportional to 91,705 and 200,905

Step by Step Solution

1. Step 1: Write the proportion equation
   91,705 : 200,905 = 200,905 : x
2. Step 2: Convert to fraction form
   91,705/200,905 = 200,905/x
3. Step 3: Cross multiply
   91,705x = 200,905 × 200,905
4. Step 4: Simplify right side
   91,705x = 40,362,819,025
5. Step 5: Solve for x
   x = 40,362,819,025/91,705
6. Step 6: Final answer
   x = 440,137.60