Finding the Third Proportional to 112,509 and 158,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,509 : 158,236.50 = 158,236.50 : x
2. Step 2: Convert to fraction form
   112,509/158,236.50 = 158,236.50/x
3. Step 3: Cross multiply
   112,509x = 158,236.50 × 158,236.50
4. Step 4: Simplify right side
   112,509x = 25,038,789,932.25
5. Step 5: Solve for x
   x = 25,038,789,932.25/112,509
6. Step 6: Final answer
   x = 222,549.22