Finding the Third Proportional to 39,647.25 and 54,365.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,647.25 : 54,365.63 = 54,365.63 : x
2. Step 2: Convert to fraction form
   39,647.25/54,365.63 = 54,365.63/x
3. Step 3: Cross multiply
   39,647.25x = 54,365.63 × 54,365.63
4. Step 4: Simplify right side
   39,647.25x = 2,955,621,181.64
5. Step 5: Solve for x
   x = 2,955,621,181.64/39,647.25
6. Step 6: Final answer
   x = 74,547.95