Finding the Third Proportional to 39,633.75 and 55,743.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,633.75 : 55,743.75 = 55,743.75 : x
2. Step 2: Convert to fraction form
   39,633.75/55,743.75 = 55,743.75/x
3. Step 3: Cross multiply
   39,633.75x = 55,743.75 × 55,743.75
4. Step 4: Simplify right side
   39,633.75x = 3,107,365,664.06
5. Step 5: Solve for x
   x = 3,107,365,664.06/39,633.75
6. Step 6: Final answer
   x = 78,402.01