Finding the Third Proportional to 222,973.50 and 490,227

Step by Step Solution

1. Step 1: Write the proportion equation
   222,973.50 : 490,227 = 490,227 : x
2. Step 2: Convert to fraction form
   222,973.50/490,227 = 490,227/x
3. Step 3: Cross multiply
   222,973.50x = 490,227 × 490,227
4. Step 4: Simplify right side
   222,973.50x = 240,322,511,529
5. Step 5: Solve for x
   x = 240,322,511,529/222,973.50
6. Step 6: Final answer
   x = 1,077,807.50