Finding the Third Proportional to 112,630 and 200,216

Step by Step Solution

1. Step 1: Write the proportion equation
   112,630 : 200,216 = 200,216 : x
2. Step 2: Convert to fraction form
   112,630/200,216 = 200,216/x
3. Step 3: Cross multiply
   112,630x = 200,216 × 200,216
4. Step 4: Simplify right side
   112,630x = 40,086,446,656
5. Step 5: Solve for x
   x = 40,086,446,656/112,630
6. Step 6: Final answer
   x = 355,912.69