Finding the Third Proportional to 40,443 and 85,074

Step by Step Solution

1. Step 1: Write the proportion equation
   40,443 : 85,074 = 85,074 : x
2. Step 2: Convert to fraction form
   40,443/85,074 = 85,074/x
3. Step 3: Cross multiply
   40,443x = 85,074 × 85,074
4. Step 4: Simplify right side
   40,443x = 7,237,585,476
5. Step 5: Solve for x
   x = 7,237,585,476/40,443
6. Step 6: Final answer
   x = 178,957.68