Finding the Third Proportional to 456.38 and 986.25

Step by Step Solution

1. Step 1: Write the proportion equation
   456.38 : 986.25 = 986.25 : x
2. Step 2: Convert to fraction form
   456.38/986.25 = 986.25/x
3. Step 3: Cross multiply
   456.38x = 986.25 × 986.25
4. Step 4: Simplify right side
   456.38x = 972,689.06
5. Step 5: Solve for x
   x = 972,689.06/456.38
6. Step 6: Final answer
   x = 2,131.34