Finding the Third Proportional to 222,952.50 and 486,648

Step by Step Solution

1. Step 1: Write the proportion equation
   222,952.50 : 486,648 = 486,648 : x
2. Step 2: Convert to fraction form
   222,952.50/486,648 = 486,648/x
3. Step 3: Cross multiply
   222,952.50x = 486,648 × 486,648
4. Step 4: Simplify right side
   222,952.50x = 236,826,275,904
5. Step 5: Solve for x
   x = 236,826,275,904/222,952.50
6. Step 6: Final answer
   x = 1,062,227.50