Finding the Third Proportional to 229,447.50 and 492,111

Step by Step Solution

1. Step 1: Write the proportion equation
   229,447.50 : 492,111 = 492,111 : x
2. Step 2: Convert to fraction form
   229,447.50/492,111 = 492,111/x
3. Step 3: Cross multiply
   229,447.50x = 492,111 × 492,111
4. Step 4: Simplify right side
   229,447.50x = 242,173,236,321
5. Step 5: Solve for x
   x = 242,173,236,321/229,447.50
6. Step 6: Final answer
   x = 1,055,462.52