Finding the Third Proportional to 108,300 and 162,450

Step by Step Solution

1. Step 1: Write the proportion equation
   108,300 : 162,450 = 162,450 : x
2. Step 2: Convert to fraction form
   108,300/162,450 = 162,450/x
3. Step 3: Cross multiply
   108,300x = 162,450 × 162,450
4. Step 4: Simplify right side
   108,300x = 26,390,002,500
5. Step 5: Solve for x
   x = 26,390,002,500/108,300
6. Step 6: Final answer
   x = 243,675