Finding the Third Proportional to 16,945 and 25,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945 : 25,921.50 = 25,921.50 : x
2. Step 2: Convert to fraction form
   16,945/25,921.50 = 25,921.50/x
3. Step 3: Cross multiply
   16,945x = 25,921.50 × 25,921.50
4. Step 4: Simplify right side
   16,945x = 671,924,162.25
5. Step 5: Solve for x
   x = 671,924,162.25/16,945
6. Step 6: Final answer
   x = 39,653.24