Finding the Third Proportional to 10,561.50 and 16,239.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,561.50 : 16,239.94 = 16,239.94 : x
2. Step 2: Convert to fraction form
   10,561.50/16,239.94 = 16,239.94/x
3. Step 3: Cross multiply
   10,561.50x = 16,239.94 × 16,239.94
4. Step 4: Simplify right side
   10,561.50x = 263,735,570.00
5. Step 5: Solve for x
   x = 263,735,570.00/10,561.50
6. Step 6: Final answer
   x = 24,971.41