Finding the Third Proportional to 200,040 and 472,206

Step by Step Solution

1. Step 1: Write the proportion equation
   200,040 : 472,206 = 472,206 : x
2. Step 2: Convert to fraction form
   200,040/472,206 = 472,206/x
3. Step 3: Cross multiply
   200,040x = 472,206 × 472,206
4. Step 4: Simplify right side
   200,040x = 222,978,506,436
5. Step 5: Solve for x
   x = 222,978,506,436/200,040
6. Step 6: Final answer
   x = 1,114,669.60