Finding the Third Proportional to 13,026.75 and 30,720.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.75 : 30,720.38 = 30,720.38 : x
2. Step 2: Convert to fraction form
   13,026.75/30,720.38 = 30,720.38/x
3. Step 3: Cross multiply
   13,026.75x = 30,720.38 × 30,720.38
4. Step 4: Simplify right side
   13,026.75x = 943,741,440.14
5. Step 5: Solve for x
   x = 943,741,440.14/13,026.75
6. Step 6: Final answer
   x = 72,446.42