Finding the Third Proportional to 222,810 and 481,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   222,810 : 481,131.75 = 481,131.75 : x
2. Step 2: Convert to fraction form
   222,810/481,131.75 = 481,131.75/x
3. Step 3: Cross multiply
   222,810x = 481,131.75 × 481,131.75
4. Step 4: Simplify right side
   222,810x = 231,487,760,858.06
5. Step 5: Solve for x
   x = 231,487,760,858.06/222,810
6. Step 6: Final answer
   x = 1,038,946.91