Finding the Third Proportional to 200,078 and 472,303

Step by Step Solution

1. Step 1: Write the proportion equation
   200,078 : 472,303 = 472,303 : x
2. Step 2: Convert to fraction form
   200,078/472,303 = 472,303/x
3. Step 3: Cross multiply
   200,078x = 472,303 × 472,303
4. Step 4: Simplify right side
   200,078x = 223,070,123,809
5. Step 5: Solve for x
   x = 223,070,123,809/200,078
6. Step 6: Final answer
   x = 1,114,915.80