Finding the Third Proportional to 885 and 1,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   885 : 1,931.25 = 1,931.25 : x
2. Step 2: Convert to fraction form
   885/1,931.25 = 1,931.25/x
3. Step 3: Cross multiply
   885x = 1,931.25 × 1,931.25
4. Step 4: Simplify right side
   885x = 3,729,726.56
5. Step 5: Solve for x
   x = 3,729,726.56/885
6. Step 6: Final answer
   x = 4,214.38