Finding the Third Proportional to 229,447.50 and 492,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,447.50 : 492,109.50 = 492,109.50 : x
2. Step 2: Convert to fraction form
   229,447.50/492,109.50 = 492,109.50/x
3. Step 3: Cross multiply
   229,447.50x = 492,109.50 × 492,109.50
4. Step 4: Simplify right side
   229,447.50x = 242,171,759,990.25
5. Step 5: Solve for x
   x = 242,171,759,990.25/229,447.50
6. Step 6: Final answer
   x = 1,055,456.08