Finding the Third Proportional to 619.69 and 958.69

Step by Step Solution

1. Step 1: Write the proportion equation
   619.69 : 958.69 = 958.69 : x
2. Step 2: Convert to fraction form
   619.69/958.69 = 958.69/x
3. Step 3: Cross multiply
   619.69x = 958.69 × 958.69
4. Step 4: Simplify right side
   619.69x = 919,081.72
5. Step 5: Solve for x
   x = 919,081.72/619.69
6. Step 6: Final answer
   x = 1,483.14