Finding the Third Proportional to 10,999.50 and 25,940.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,999.50 : 25,940.25 = 25,940.25 : x
2. Step 2: Convert to fraction form
   10,999.50/25,940.25 = 25,940.25/x
3. Step 3: Cross multiply
   10,999.50x = 25,940.25 × 25,940.25
4. Step 4: Simplify right side
   10,999.50x = 672,896,570.06
5. Step 5: Solve for x
   x = 672,896,570.06/10,999.50
6. Step 6: Final answer
   x = 61,175.20