Finding the Third Proportional to 227,296 and 485,888

Step by Step Solution

1. Step 1: Write the proportion equation
   227,296 : 485,888 = 485,888 : x
2. Step 2: Convert to fraction form
   227,296/485,888 = 485,888/x
3. Step 3: Cross multiply
   227,296x = 485,888 × 485,888
4. Step 4: Simplify right side
   227,296x = 236,087,148,544
5. Step 5: Solve for x
   x = 236,087,148,544/227,296
6. Step 6: Final answer
   x = 1,038,677.09