Finding the Third Proportional to 227,326 and 478,620

Step by Step Solution

1. Step 1: Write the proportion equation
   227,326 : 478,620 = 478,620 : x
2. Step 2: Convert to fraction form
   227,326/478,620 = 478,620/x
3. Step 3: Cross multiply
   227,326x = 478,620 × 478,620
4. Step 4: Simplify right side
   227,326x = 229,077,104,400
5. Step 5: Solve for x
   x = 229,077,104,400/227,326
6. Step 6: Final answer
   x = 1,007,703.05