Finding the Third Proportional to 13,608 and 19,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,608 : 19,498.50 = 19,498.50 : x
2. Step 2: Convert to fraction form
   13,608/19,498.50 = 19,498.50/x
3. Step 3: Cross multiply
   13,608x = 19,498.50 × 19,498.50
4. Step 4: Simplify right side
   13,608x = 380,191,502.25
5. Step 5: Solve for x
   x = 380,191,502.25/13,608
6. Step 6: Final answer
   x = 27,938.82