Finding the Third Proportional to 13,605 and 21,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,605 : 21,928.50 = 21,928.50 : x
2. Step 2: Convert to fraction form
   13,605/21,928.50 = 21,928.50/x
3. Step 3: Cross multiply
   13,605x = 21,928.50 × 21,928.50
4. Step 4: Simplify right side
   13,605x = 480,859,112.25
5. Step 5: Solve for x
   x = 480,859,112.25/13,605
6. Step 6: Final answer
   x = 35,344.29