Finding the Third Proportional to 13,476.38 and 20,401.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,476.38 : 20,401.88 = 20,401.88 : x
2. Step 2: Convert to fraction form
   13,476.38/20,401.88 = 20,401.88/x
3. Step 3: Cross multiply
   13,476.38x = 20,401.88 × 20,401.88
4. Step 4: Simplify right side
   13,476.38x = 416,236,503.52
5. Step 5: Solve for x
   x = 416,236,503.52/13,476.38
6. Step 6: Final answer
   x = 30,886.38