Finding the Third Proportional to 222,811.50 and 481,131

Step by Step Solution

1. Step 1: Write the proportion equation
   222,811.50 : 481,131 = 481,131 : x
2. Step 2: Convert to fraction form
   222,811.50/481,131 = 481,131/x
3. Step 3: Cross multiply
   222,811.50x = 481,131 × 481,131
4. Step 4: Simplify right side
   222,811.50x = 231,487,039,161
5. Step 5: Solve for x
   x = 231,487,039,161/222,811.50
6. Step 6: Final answer
   x = 1,038,936.68