Finding the Third Proportional to 480,784 and 1,028,272

Step by Step Solution

1. Step 1: Write the proportion equation
   480,784 : 1,028,272 = 1,028,272 : x
2. Step 2: Convert to fraction form
   480,784/1,028,272 = 1,028,272/x
3. Step 3: Cross multiply
   480,784x = 1,028,272 × 1,028,272
4. Step 4: Simplify right side
   480,784x = 1,057,343,305,984
5. Step 5: Solve for x
   x = 1,057,343,305,984/480,784
6. Step 6: Final answer
   x = 2,199,206.52