Finding the Third Proportional to 48,618 and 72,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,618 : 72,976.50 = 72,976.50 : x
2. Step 2: Convert to fraction form
   48,618/72,976.50 = 72,976.50/x
3. Step 3: Cross multiply
   48,618x = 72,976.50 × 72,976.50
4. Step 4: Simplify right side
   48,618x = 5,325,569,552.25
5. Step 5: Solve for x
   x = 5,325,569,552.25/48,618
6. Step 6: Final answer
   x = 109,539.05