Finding the Third Proportional to 162,444 and 243,666

Step by Step Solution

1. Step 1: Write the proportion equation
   162,444 : 243,666 = 243,666 : x
2. Step 2: Convert to fraction form
   162,444/243,666 = 243,666/x
3. Step 3: Cross multiply
   162,444x = 243,666 × 243,666
4. Step 4: Simplify right side
   162,444x = 59,373,119,556
5. Step 5: Solve for x
   x = 59,373,119,556/162,444
6. Step 6: Final answer
   x = 365,499