Finding the Third Proportional to 85,558 and 186,950

Step by Step Solution

1. Step 1: Write the proportion equation
   85,558 : 186,950 = 186,950 : x
2. Step 2: Convert to fraction form
   85,558/186,950 = 186,950/x
3. Step 3: Cross multiply
   85,558x = 186,950 × 186,950
4. Step 4: Simplify right side
   85,558x = 34,950,302,500
5. Step 5: Solve for x
   x = 34,950,302,500/85,558
6. Step 6: Final answer
   x = 408,498.36