Finding the Third Proportional to 13,285.50 and 19,671.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,285.50 : 19,671.75 = 19,671.75 : x
2. Step 2: Convert to fraction form
   13,285.50/19,671.75 = 19,671.75/x
3. Step 3: Cross multiply
   13,285.50x = 19,671.75 × 19,671.75
4. Step 4: Simplify right side
   13,285.50x = 386,977,748.06
5. Step 5: Solve for x
   x = 386,977,748.06/13,285.50
6. Step 6: Final answer
   x = 29,127.83