Finding the Third Proportional to 28,728 and 61,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,728 : 61,150.50 = 61,150.50 : x
2. Step 2: Convert to fraction form
   28,728/61,150.50 = 61,150.50/x
3. Step 3: Cross multiply
   28,728x = 61,150.50 × 61,150.50
4. Step 4: Simplify right side
   28,728x = 3,739,383,650.25
5. Step 5: Solve for x
   x = 3,739,383,650.25/28,728
6. Step 6: Final answer
   x = 130,165.12