Finding the Third Proportional to 10,149.47 and 13,826.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,149.47 : 13,826.53 = 13,826.53 : x
2. Step 2: Convert to fraction form
   10,149.47/13,826.53 = 13,826.53/x
3. Step 3: Cross multiply
   10,149.47x = 13,826.53 × 13,826.53
4. Step 4: Simplify right side
   10,149.47x = 191,172,966.41
5. Step 5: Solve for x
   x = 191,172,966.41/10,149.47
6. Step 6: Final answer
   x = 18,835.76