Finding the Third Proportional to 112,158 and 159,972.75

Step by Step Solution

1. Step 1: Write the proportion equation
   112,158 : 159,972.75 = 159,972.75 : x
2. Step 2: Convert to fraction form
   112,158/159,972.75 = 159,972.75/x
3. Step 3: Cross multiply
   112,158x = 159,972.75 × 159,972.75
4. Step 4: Simplify right side
   112,158x = 25,591,280,742.56
5. Step 5: Solve for x
   x = 25,591,280,742.56/112,158
6. Step 6: Final answer
   x = 228,171.69