Finding the Third Proportional to 13,405.50 and 28,658.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,405.50 : 28,658.25 = 28,658.25 : x
2. Step 2: Convert to fraction form
   13,405.50/28,658.25 = 28,658.25/x
3. Step 3: Cross multiply
   13,405.50x = 28,658.25 × 28,658.25
4. Step 4: Simplify right side
   13,405.50x = 821,295,293.06
5. Step 5: Solve for x
   x = 821,295,293.06/13,405.50
6. Step 6: Final answer
   x = 61,265.55