Finding the Third Proportional to 13,001.34 and 20,170.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,001.34 : 20,170.69 = 20,170.69 : x
2. Step 2: Convert to fraction form
   13,001.34/20,170.69 = 20,170.69/x
3. Step 3: Cross multiply
   13,001.34x = 20,170.69 × 20,170.69
4. Step 4: Simplify right side
   13,001.34x = 406,856,634.22
5. Step 5: Solve for x
   x = 406,856,634.22/13,001.34
6. Step 6: Final answer
   x = 31,293.43