Finding the Third Proportional to 227,323.50 and 478,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,323.50 : 478,609.50 = 478,609.50 : x
2. Step 2: Convert to fraction form
   227,323.50/478,609.50 = 478,609.50/x
3. Step 3: Cross multiply
   227,323.50x = 478,609.50 × 478,609.50
4. Step 4: Simplify right side
   227,323.50x = 229,067,053,490.25
5. Step 5: Solve for x
   x = 229,067,053,490.25/227,323.50
6. Step 6: Final answer
   x = 1,007,669.92