Finding the Third Proportional to 16,911.25 and 26,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,911.25 : 26,287.50 = 26,287.50 : x
2. Step 2: Convert to fraction form
   16,911.25/26,287.50 = 26,287.50/x
3. Step 3: Cross multiply
   16,911.25x = 26,287.50 × 26,287.50
4. Step 4: Simplify right side
   16,911.25x = 691,032,656.25
5. Step 5: Solve for x
   x = 691,032,656.25/16,911.25
6. Step 6: Final answer
   x = 40,862.31