Finding the Third Proportional to 431.50 and 930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   431.50 : 930.50 = 930.50 : x
2. Step 2: Convert to fraction form
   431.50/930.50 = 930.50/x
3. Step 3: Cross multiply
   431.50x = 930.50 × 930.50
4. Step 4: Simplify right side
   431.50x = 865,830.25
5. Step 5: Solve for x
   x = 865,830.25/431.50
6. Step 6: Final answer
   x = 2,006.56