Finding the Third Proportional to 105,187 and 158,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,187 : 158,872.50 = 158,872.50 : x
2. Step 2: Convert to fraction form
   105,187/158,872.50 = 158,872.50/x
3. Step 3: Cross multiply
   105,187x = 158,872.50 × 158,872.50
4. Step 4: Simplify right side
   105,187x = 25,240,471,256.25
5. Step 5: Solve for x
   x = 25,240,471,256.25/105,187
6. Step 6: Final answer
   x = 239,958.09