Finding the Third Proportional to 426.32 and 904.25

Step by Step Solution

1. Step 1: Write the proportion equation
   426.32 : 904.25 = 904.25 : x
2. Step 2: Convert to fraction form
   426.32/904.25 = 904.25/x
3. Step 3: Cross multiply
   426.32x = 904.25 × 904.25
4. Step 4: Simplify right side
   426.32x = 817,667.18
5. Step 5: Solve for x
   x = 817,667.18/426.32
6. Step 6: Final answer
   x = 1,917.98