Finding the Third Proportional to 221,466 and 472,460

Step by Step Solution

1. Step 1: Write the proportion equation
   221,466 : 472,460 = 472,460 : x
2. Step 2: Convert to fraction form
   221,466/472,460 = 472,460/x
3. Step 3: Cross multiply
   221,466x = 472,460 × 472,460
4. Step 4: Simplify right side
   221,466x = 223,218,451,600
5. Step 5: Solve for x
   x = 223,218,451,600/221,466
6. Step 6: Final answer
   x = 1,007,912.96