Finding the Third Proportional to 39,628.13 and 57,983.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,628.13 : 57,983.63 = 57,983.63 : x
2. Step 2: Convert to fraction form
   39,628.13/57,983.63 = 57,983.63/x
3. Step 3: Cross multiply
   39,628.13x = 57,983.63 × 57,983.63
4. Step 4: Simplify right side
   39,628.13x = 3,362,100,768.14
5. Step 5: Solve for x
   x = 3,362,100,768.14/39,628.13
6. Step 6: Final answer
   x = 84,841.28