Finding the Third Proportional to 451.38 and 931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   451.38 : 931.25 = 931.25 : x
2. Step 2: Convert to fraction form
   451.38/931.25 = 931.25/x
3. Step 3: Cross multiply
   451.38x = 931.25 × 931.25
4. Step 4: Simplify right side
   451.38x = 867,226.56
5. Step 5: Solve for x
   x = 867,226.56/451.38
6. Step 6: Final answer
   x = 1,921.30