Finding the Third Proportional to 11,122.50 and 17,321.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,122.50 : 17,321.63 = 17,321.63 : x
2. Step 2: Convert to fraction form
   11,122.50/17,321.63 = 17,321.63/x
3. Step 3: Cross multiply
   11,122.50x = 17,321.63 × 17,321.63
4. Step 4: Simplify right side
   11,122.50x = 300,038,692.64
5. Step 5: Solve for x
   x = 300,038,692.64/11,122.50
6. Step 6: Final answer
   x = 26,975.83