Finding the Third Proportional to 17,212.50 and 25,899.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,212.50 : 25,899.75 = 25,899.75 : x
2. Step 2: Convert to fraction form
   17,212.50/25,899.75 = 25,899.75/x
3. Step 3: Cross multiply
   17,212.50x = 25,899.75 × 25,899.75
4. Step 4: Simplify right side
   17,212.50x = 670,797,050.06
5. Step 5: Solve for x
   x = 670,797,050.06/17,212.50
6. Step 6: Final answer
   x = 38,971.51