Finding the Third Proportional to 222,667.50 and 485,295

Step by Step Solution

1. Step 1: Write the proportion equation
   222,667.50 : 485,295 = 485,295 : x
2. Step 2: Convert to fraction form
   222,667.50/485,295 = 485,295/x
3. Step 3: Cross multiply
   222,667.50x = 485,295 × 485,295
4. Step 4: Simplify right side
   222,667.50x = 235,511,237,025
5. Step 5: Solve for x
   x = 235,511,237,025/222,667.50
6. Step 6: Final answer
   x = 1,057,681.24