Finding the Third Proportional to 12,989.25 and 28,055.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,989.25 : 28,055.25 = 28,055.25 : x
2. Step 2: Convert to fraction form
   12,989.25/28,055.25 = 28,055.25/x
3. Step 3: Cross multiply
   12,989.25x = 28,055.25 × 28,055.25
4. Step 4: Simplify right side
   12,989.25x = 787,097,052.56
5. Step 5: Solve for x
   x = 787,097,052.56/12,989.25
6. Step 6: Final answer
   x = 60,596.04