Finding the Third Proportional to 28,188.50 and 60,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,188.50 : 60,629.50 = 60,629.50 : x
2. Step 2: Convert to fraction form
   28,188.50/60,629.50 = 60,629.50/x
3. Step 3: Cross multiply
   28,188.50x = 60,629.50 × 60,629.50
4. Step 4: Simplify right side
   28,188.50x = 3,675,936,270.25
5. Step 5: Solve for x
   x = 3,675,936,270.25/28,188.50
6. Step 6: Final answer
   x = 130,405.53