Finding the Third Proportional to 227,290.78 and 478,544.06

Step by Step Solution

1. Step 1: Write the proportion equation
   227,290.78 : 478,544.06 = 478,544.06 : x
2. Step 2: Convert to fraction form
   227,290.78/478,544.06 = 478,544.06/x
3. Step 3: Cross multiply
   227,290.78x = 478,544.06 × 478,544.06
4. Step 4: Simplify right side
   227,290.78x = 229,004,419,754.00
5. Step 5: Solve for x
   x = 229,004,419,754.00/227,290.78
6. Step 6: Final answer
   x = 1,007,539.41