Finding the Third Proportional to 193,558.50 and 404,856

Step by Step Solution

1. Step 1: Write the proportion equation
   193,558.50 : 404,856 = 404,856 : x
2. Step 2: Convert to fraction form
   193,558.50/404,856 = 404,856/x
3. Step 3: Cross multiply
   193,558.50x = 404,856 × 404,856
4. Step 4: Simplify right side
   193,558.50x = 163,908,380,736
5. Step 5: Solve for x
   x = 163,908,380,736/193,558.50
6. Step 6: Final answer
   x = 846,815.72