Finding the Third Proportional to 225,443.25 and 492,439.50

Step by Step Solution

1. Step 1: Write the proportion equation
   225,443.25 : 492,439.50 = 492,439.50 : x
2. Step 2: Convert to fraction form
   225,443.25/492,439.50 = 492,439.50/x
3. Step 3: Cross multiply
   225,443.25x = 492,439.50 × 492,439.50
4. Step 4: Simplify right side
   225,443.25x = 242,496,661,160.25
5. Step 5: Solve for x
   x = 242,496,661,160.25/225,443.25
6. Step 6: Final answer
   x = 1,075,643.92