Finding the Third Proportional to 222,669 and 485,300.25

Step by Step Solution

1. Step 1: Write the proportion equation
   222,669 : 485,300.25 = 485,300.25 : x
2. Step 2: Convert to fraction form
   222,669/485,300.25 = 485,300.25/x
3. Step 3: Cross multiply
   222,669x = 485,300.25 × 485,300.25
4. Step 4: Simplify right side
   222,669x = 235,516,332,650.06
5. Step 5: Solve for x
   x = 235,516,332,650.06/222,669
6. Step 6: Final answer
   x = 1,057,697.00