Finding the Third Proportional to 109,142 and 229,292

Step by Step Solution

1. Step 1: Write the proportion equation
   109,142 : 229,292 = 229,292 : x
2. Step 2: Convert to fraction form
   109,142/229,292 = 229,292/x
3. Step 3: Cross multiply
   109,142x = 229,292 × 229,292
4. Step 4: Simplify right side
   109,142x = 52,574,821,264
5. Step 5: Solve for x
   x = 52,574,821,264/109,142
6. Step 6: Final answer
   x = 481,710.26