Finding the Third Proportional to 48,740.48 and 72,786.09

Step by Step Solution

1. Step 1: Write the proportion equation
   48,740.48 : 72,786.09 = 72,786.09 : x
2. Step 2: Convert to fraction form
   48,740.48/72,786.09 = 72,786.09/x
3. Step 3: Cross multiply
   48,740.48x = 72,786.09 × 72,786.09
4. Step 4: Simplify right side
   48,740.48x = 5,297,815,443.38
5. Step 5: Solve for x
   x = 5,297,815,443.38/48,740.48
6. Step 6: Final answer
   x = 108,694.35