Finding the Third Proportional to 480,816 and 1,028,340

Step by Step Solution

1. Step 1: Write the proportion equation
   480,816 : 1,028,340 = 1,028,340 : x
2. Step 2: Convert to fraction form
   480,816/1,028,340 = 1,028,340/x
3. Step 3: Cross multiply
   480,816x = 1,028,340 × 1,028,340
4. Step 4: Simplify right side
   480,816x = 1,057,483,155,600
5. Step 5: Solve for x
   x = 1,057,483,155,600/480,816
6. Step 6: Final answer
   x = 2,199,351.01