Finding the Third Proportional to 859.78 and 970.03

Step by Step Solution

1. Step 1: Write the proportion equation
   859.78 : 970.03 = 970.03 : x
2. Step 2: Convert to fraction form
   859.78/970.03 = 970.03/x
3. Step 3: Cross multiply
   859.78x = 970.03 × 970.03
4. Step 4: Simplify right side
   859.78x = 940,960.63
5. Step 5: Solve for x
   x = 940,960.63/859.78
6. Step 6: Final answer
   x = 1,094.42