Finding the Third Proportional to 16,391 and 25,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,391 : 25,227.50 = 25,227.50 : x
2. Step 2: Convert to fraction form
   16,391/25,227.50 = 25,227.50/x
3. Step 3: Cross multiply
   16,391x = 25,227.50 × 25,227.50
4. Step 4: Simplify right side
   16,391x = 636,426,756.25
5. Step 5: Solve for x
   x = 636,426,756.25/16,391
6. Step 6: Final answer
   x = 38,827.82