Finding the Third Proportional to 162,454 and 243,682

Step by Step Solution

1. Step 1: Write the proportion equation
   162,454 : 243,682 = 243,682 : x
2. Step 2: Convert to fraction form
   162,454/243,682 = 243,682/x
3. Step 3: Cross multiply
   162,454x = 243,682 × 243,682
4. Step 4: Simplify right side
   162,454x = 59,380,917,124
5. Step 5: Solve for x
   x = 59,380,917,124/162,454
6. Step 6: Final answer
   x = 365,524.50