Finding the Third Proportional to 171,012 and 374,208

Step by Step Solution

1. Step 1: Write the proportion equation
   171,012 : 374,208 = 374,208 : x
2. Step 2: Convert to fraction form
   171,012/374,208 = 374,208/x
3. Step 3: Cross multiply
   171,012x = 374,208 × 374,208
4. Step 4: Simplify right side
   171,012x = 140,031,627,264
5. Step 5: Solve for x
   x = 140,031,627,264/171,012
6. Step 6: Final answer
   x = 818,840.94