Finding the Third Proportional to 865.69 and 930.47

Step by Step Solution

1. Step 1: Write the proportion equation
   865.69 : 930.47 = 930.47 : x
2. Step 2: Convert to fraction form
   865.69/930.47 = 930.47/x
3. Step 3: Cross multiply
   865.69x = 930.47 × 930.47
4. Step 4: Simplify right side
   865.69x = 865,777.55
5. Step 5: Solve for x
   x = 865,777.55/865.69
6. Step 6: Final answer
   x = 1,000.10