Finding the Third Proportional to 171,158 and 372,404

Step by Step Solution

1. Step 1: Write the proportion equation
   171,158 : 372,404 = 372,404 : x
2. Step 2: Convert to fraction form
   171,158/372,404 = 372,404/x
3. Step 3: Cross multiply
   171,158x = 372,404 × 372,404
4. Step 4: Simplify right side
   171,158x = 138,684,739,216
5. Step 5: Solve for x
   x = 138,684,739,216/171,158
6. Step 6: Final answer
   x = 810,273.19