Finding the Third Proportional to 80,103 and 112,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,103 : 112,678.50 = 112,678.50 : x
2. Step 2: Convert to fraction form
   80,103/112,678.50 = 112,678.50/x
3. Step 3: Cross multiply
   80,103x = 112,678.50 × 112,678.50
4. Step 4: Simplify right side
   80,103x = 12,696,444,362.25
5. Step 5: Solve for x
   x = 12,696,444,362.25/80,103
6. Step 6: Final answer
   x = 158,501.48