Finding the Third Proportional to 13,098 and 20,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,098 : 20,029.50 = 20,029.50 : x
2. Step 2: Convert to fraction form
   13,098/20,029.50 = 20,029.50/x
3. Step 3: Cross multiply
   13,098x = 20,029.50 × 20,029.50
4. Step 4: Simplify right side
   13,098x = 401,180,870.25
5. Step 5: Solve for x
   x = 401,180,870.25/13,098
6. Step 6: Final answer
   x = 30,629.17