Finding the Third Proportional to 105,487 and 158,251.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,487 : 158,251.50 = 158,251.50 : x
2. Step 2: Convert to fraction form
   105,487/158,251.50 = 158,251.50/x
3. Step 3: Cross multiply
   105,487x = 158,251.50 × 158,251.50
4. Step 4: Simplify right side
   105,487x = 25,043,537,252.25
5. Step 5: Solve for x
   x = 25,043,537,252.25/105,487
6. Step 6: Final answer
   x = 237,408.75