Finding the Third Proportional to 105,109.50 and 163,192

Step by Step Solution

1. Step 1: Write the proportion equation
   105,109.50 : 163,192 = 163,192 : x
2. Step 2: Convert to fraction form
   105,109.50/163,192 = 163,192/x
3. Step 3: Cross multiply
   105,109.50x = 163,192 × 163,192
4. Step 4: Simplify right side
   105,109.50x = 26,631,628,864
5. Step 5: Solve for x
   x = 26,631,628,864/105,109.50
6. Step 6: Final answer
   x = 253,370.33