Finding the Third Proportional to 30,976.50 and 49,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,976.50 : 49,234.50 = 49,234.50 : x
2. Step 2: Convert to fraction form
   30,976.50/49,234.50 = 49,234.50/x
3. Step 3: Cross multiply
   30,976.50x = 49,234.50 × 49,234.50
4. Step 4: Simplify right side
   30,976.50x = 2,424,035,990.25
5. Step 5: Solve for x
   x = 2,424,035,990.25/30,976.50
6. Step 6: Final answer
   x = 78,254.03