Finding the Third Proportional to 418.61 and 914.10

Step by Step Solution

1. Step 1: Write the proportion equation
   418.61 : 914.10 = 914.10 : x
2. Step 2: Convert to fraction form
   418.61/914.10 = 914.10/x
3. Step 3: Cross multiply
   418.61x = 914.10 × 914.10
4. Step 4: Simplify right side
   418.61x = 835,574.53
5. Step 5: Solve for x
   x = 835,574.53/418.61
6. Step 6: Final answer
   x = 1,996.09