Finding the Third Proportional to 615.69 and 946.31

Step by Step Solution

1. Step 1: Write the proportion equation
   615.69 : 946.31 = 946.31 : x
2. Step 2: Convert to fraction form
   615.69/946.31 = 946.31/x
3. Step 3: Cross multiply
   615.69x = 946.31 × 946.31
4. Step 4: Simplify right side
   615.69x = 895,507.35
5. Step 5: Solve for x
   x = 895,507.35/615.69
6. Step 6: Final answer
   x = 1,454.48