Finding the Third Proportional to 222,811.31 and 481,131.56

Step by Step Solution

1. Step 1: Write the proportion equation
   222,811.31 : 481,131.56 = 481,131.56 : x
2. Step 2: Convert to fraction form
   222,811.31/481,131.56 = 481,131.56/x
3. Step 3: Cross multiply
   222,811.31x = 481,131.56 × 481,131.56
4. Step 4: Simplify right side
   222,811.31x = 231,487,580,433.69
5. Step 5: Solve for x
   x = 231,487,580,433.69/222,811.31
6. Step 6: Final answer
   x = 1,038,939.98