Finding the Third Proportional to 488,790 and 1,022,274

Step by Step Solution

1. Step 1: Write the proportion equation
   488,790 : 1,022,274 = 1,022,274 : x
2. Step 2: Convert to fraction form
   488,790/1,022,274 = 1,022,274/x
3. Step 3: Cross multiply
   488,790x = 1,022,274 × 1,022,274
4. Step 4: Simplify right side
   488,790x = 1,045,044,131,076
5. Step 5: Solve for x
   x = 1,045,044,131,076/488,790
6. Step 6: Final answer
   x = 2,138,022.73