Finding the Third Proportional to 65,640.38 and 101,835.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,640.38 : 101,835.56 = 101,835.56 : x
2. Step 2: Convert to fraction form
   65,640.38/101,835.56 = 101,835.56/x
3. Step 3: Cross multiply
   65,640.38x = 101,835.56 × 101,835.56
4. Step 4: Simplify right side
   65,640.38x = 10,370,481,789.69
5. Step 5: Solve for x
   x = 10,370,481,789.69/65,640.38
6. Step 6: Final answer
   x = 157,989.37