Finding the Third Proportional to 13,256.44 and 19,438.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,256.44 : 19,438.88 = 19,438.88 : x
2. Step 2: Convert to fraction form
   13,256.44/19,438.88 = 19,438.88/x
3. Step 3: Cross multiply
   13,256.44x = 19,438.88 × 19,438.88
4. Step 4: Simplify right side
   13,256.44x = 377,869,861.27
5. Step 5: Solve for x
   x = 377,869,861.27/13,256.44
6. Step 6: Final answer
   x = 28,504.63