Finding the Third Proportional to 477,792 and 1,039,392

Step by Step Solution

1. Step 1: Write the proportion equation
   477,792 : 1,039,392 = 1,039,392 : x
2. Step 2: Convert to fraction form
   477,792/1,039,392 = 1,039,392/x
3. Step 3: Cross multiply
   477,792x = 1,039,392 × 1,039,392
4. Step 4: Simplify right side
   477,792x = 1,080,335,729,664
5. Step 5: Solve for x
   x = 1,080,335,729,664/477,792
6. Step 6: Final answer
   x = 2,261,100.50