Finding the Third Proportional to 488,792 and 1,022,272

Step by Step Solution

1. Step 1: Write the proportion equation
   488,792 : 1,022,272 = 1,022,272 : x
2. Step 2: Convert to fraction form
   488,792/1,022,272 = 1,022,272/x
3. Step 3: Cross multiply
   488,792x = 1,022,272 × 1,022,272
4. Step 4: Simplify right side
   488,792x = 1,045,040,041,984
5. Step 5: Solve for x
   x = 1,045,040,041,984/488,792
6. Step 6: Final answer
   x = 2,138,005.62