Finding the Third Proportional to 91,710 and 200,916

Step by Step Solution

1. Step 1: Write the proportion equation
   91,710 : 200,916 = 200,916 : x
2. Step 2: Convert to fraction form
   91,710/200,916 = 200,916/x
3. Step 3: Cross multiply
   91,710x = 200,916 × 200,916
4. Step 4: Simplify right side
   91,710x = 40,367,239,056
5. Step 5: Solve for x
   x = 40,367,239,056/91,710
6. Step 6: Final answer
   x = 440,161.80