Finding the Third Proportional to 28,647 and 42,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,647 : 42,013.50 = 42,013.50 : x
2. Step 2: Convert to fraction form
   28,647/42,013.50 = 42,013.50/x
3. Step 3: Cross multiply
   28,647x = 42,013.50 × 42,013.50
4. Step 4: Simplify right side
   28,647x = 1,765,134,182.25
5. Step 5: Solve for x
   x = 1,765,134,182.25/28,647
6. Step 6: Final answer
   x = 61,616.72