Finding the Third Proportional to 917.81 and 1,419.56

Step by Step Solution

1. Step 1: Write the proportion equation
   917.81 : 1,419.56 = 1,419.56 : x
2. Step 2: Convert to fraction form
   917.81/1,419.56 = 1,419.56/x
3. Step 3: Cross multiply
   917.81x = 1,419.56 × 1,419.56
4. Step 4: Simplify right side
   917.81x = 2,015,157.69
5. Step 5: Solve for x
   x = 2,015,157.69/917.81
6. Step 6: Final answer
   x = 2,195.61