Finding the Third Proportional to 25,647 and 40,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,647 : 40,828.50 = 40,828.50 : x
2. Step 2: Convert to fraction form
   25,647/40,828.50 = 40,828.50/x
3. Step 3: Cross multiply
   25,647x = 40,828.50 × 40,828.50
4. Step 4: Simplify right side
   25,647x = 1,666,966,412.25
5. Step 5: Solve for x
   x = 1,666,966,412.25/25,647
6. Step 6: Final answer
   x = 64,996.55