Finding the Third Proportional to 105,907.50 and 162,243

Step by Step Solution

1. Step 1: Write the proportion equation
   105,907.50 : 162,243 = 162,243 : x
2. Step 2: Convert to fraction form
   105,907.50/162,243 = 162,243/x
3. Step 3: Cross multiply
   105,907.50x = 162,243 × 162,243
4. Step 4: Simplify right side
   105,907.50x = 26,322,791,049
5. Step 5: Solve for x
   x = 26,322,791,049/105,907.50
6. Step 6: Final answer
   x = 248,545.11