Finding the Third Proportional to 48,757.50 and 72,816

Step by Step Solution

1. Step 1: Write the proportion equation
   48,757.50 : 72,816 = 72,816 : x
2. Step 2: Convert to fraction form
   48,757.50/72,816 = 72,816/x
3. Step 3: Cross multiply
   48,757.50x = 72,816 × 72,816
4. Step 4: Simplify right side
   48,757.50x = 5,302,169,856
5. Step 5: Solve for x
   x = 5,302,169,856/48,757.50
6. Step 6: Final answer
   x = 108,745.73