Finding the Third Proportional to 13,101.75 and 20,077.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101.75 : 20,077.88 = 20,077.88 : x
2. Step 2: Convert to fraction form
   13,101.75/20,077.88 = 20,077.88/x
3. Step 3: Cross multiply
   13,101.75x = 20,077.88 × 20,077.88
4. Step 4: Simplify right side
   13,101.75x = 403,121,064.52
5. Step 5: Solve for x
   x = 403,121,064.52/13,101.75
6. Step 6: Final answer
   x = 30,768.49