Finding the Third Proportional to 13,653 and 17,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,653 : 17,077.50 = 17,077.50 : x
2. Step 2: Convert to fraction form
   13,653/17,077.50 = 17,077.50/x
3. Step 3: Cross multiply
   13,653x = 17,077.50 × 17,077.50
4. Step 4: Simplify right side
   13,653x = 291,641,006.25
5. Step 5: Solve for x
   x = 291,641,006.25/13,653
6. Step 6: Final answer
   x = 21,360.95