Finding the Third Proportional to 229,449 and 492,111.75

Step by Step Solution

1. Step 1: Write the proportion equation
   229,449 : 492,111.75 = 492,111.75 : x
2. Step 2: Convert to fraction form
   229,449/492,111.75 = 492,111.75/x
3. Step 3: Cross multiply
   229,449x = 492,111.75 × 492,111.75
4. Step 4: Simplify right side
   229,449x = 242,173,974,488.06
5. Step 5: Solve for x
   x = 242,173,974,488.06/229,449
6. Step 6: Final answer
   x = 1,055,458.84