Finding the Third Proportional to 24,808.78 and 31,369.78

Step by Step Solution

1. Step 1: Write the proportion equation
   24,808.78 : 31,369.78 = 31,369.78 : x
2. Step 2: Convert to fraction form
   24,808.78/31,369.78 = 31,369.78/x
3. Step 3: Cross multiply
   24,808.78x = 31,369.78 × 31,369.78
4. Step 4: Simplify right side
   24,808.78x = 984,063,175.67
5. Step 5: Solve for x
   x = 984,063,175.67/24,808.78
6. Step 6: Final answer
   x = 39,665.92