Finding the Third Proportional to 915.94 and 1,419.38

Step by Step Solution

1. Step 1: Write the proportion equation
   915.94 : 1,419.38 = 1,419.38 : x
2. Step 2: Convert to fraction form
   915.94/1,419.38 = 1,419.38/x
3. Step 3: Cross multiply
   915.94x = 1,419.38 × 1,419.38
4. Step 4: Simplify right side
   915.94x = 2,014,625.39
5. Step 5: Solve for x
   x = 2,014,625.39/915.94
6. Step 6: Final answer
   x = 2,199.52