Finding the Third Proportional to 13,785.75 and 19,901.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,785.75 : 19,901.25 = 19,901.25 : x
2. Step 2: Convert to fraction form
   13,785.75/19,901.25 = 19,901.25/x
3. Step 3: Cross multiply
   13,785.75x = 19,901.25 × 19,901.25
4. Step 4: Simplify right side
   13,785.75x = 396,059,751.56
5. Step 5: Solve for x
   x = 396,059,751.56/13,785.75
6. Step 6: Final answer
   x = 28,729.65