Finding the Third Proportional to 13,557.69 and 28,140.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,557.69 : 28,140.54 = 28,140.54 : x
2. Step 2: Convert to fraction form
   13,557.69/28,140.54 = 28,140.54/x
3. Step 3: Cross multiply
   13,557.69x = 28,140.54 × 28,140.54
4. Step 4: Simplify right side
   13,557.69x = 791,889,938.73
5. Step 5: Solve for x
   x = 791,889,938.73/13,557.69
6. Step 6: Final answer
   x = 58,408.91