Finding the Third Proportional to 13,942.13 and 21,049.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,942.13 : 21,049.88 = 21,049.88 : x
2. Step 2: Convert to fraction form
   13,942.13/21,049.88 = 21,049.88/x
3. Step 3: Cross multiply
   13,942.13x = 21,049.88 × 21,049.88
4. Step 4: Simplify right side
   13,942.13x = 443,097,237.52
5. Step 5: Solve for x
   x = 443,097,237.52/13,942.13
6. Step 6: Final answer
   x = 31,781.18