Finding the Third Proportional to 477,620 and 1,004,392

Step by Step Solution

1. Step 1: Write the proportion equation
   477,620 : 1,004,392 = 1,004,392 : x
2. Step 2: Convert to fraction form
   477,620/1,004,392 = 1,004,392/x
3. Step 3: Cross multiply
   477,620x = 1,004,392 × 1,004,392
4. Step 4: Simplify right side
   477,620x = 1,008,803,289,664
5. Step 5: Solve for x
   x = 1,008,803,289,664/477,620
6. Step 6: Final answer
   x = 2,112,146.25