Finding the Third Proportional to 13,151.25 and 19,788.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,151.25 : 19,788.75 = 19,788.75 : x
2. Step 2: Convert to fraction form
   13,151.25/19,788.75 = 19,788.75/x
3. Step 3: Cross multiply
   13,151.25x = 19,788.75 × 19,788.75
4. Step 4: Simplify right side
   13,151.25x = 391,594,626.56
5. Step 5: Solve for x
   x = 391,594,626.56/13,151.25
6. Step 6: Final answer
   x = 29,776.23