Finding the Third Proportional to 171,012.50 and 374,860

Step by Step Solution

1. Step 1: Write the proportion equation
   171,012.50 : 374,860 = 374,860 : x
2. Step 2: Convert to fraction form
   171,012.50/374,860 = 374,860/x
3. Step 3: Cross multiply
   171,012.50x = 374,860 × 374,860
4. Step 4: Simplify right side
   171,012.50x = 140,520,019,600
5. Step 5: Solve for x
   x = 140,520,019,600/171,012.50
6. Step 6: Final answer
   x = 821,694.44