Finding the Third Proportional to 200,036 and 472,200

Step by Step Solution

1. Step 1: Write the proportion equation
   200,036 : 472,200 = 472,200 : x
2. Step 2: Convert to fraction form
   200,036/472,200 = 472,200/x
3. Step 3: Cross multiply
   200,036x = 472,200 × 472,200
4. Step 4: Simplify right side
   200,036x = 222,972,840,000
5. Step 5: Solve for x
   x = 222,972,840,000/200,036
6. Step 6: Final answer
   x = 1,114,663.56