Finding the Third Proportional to 65,247.75 and 86,754.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,247.75 : 86,754.38 = 86,754.38 : x
2. Step 2: Convert to fraction form
   65,247.75/86,754.38 = 86,754.38/x
3. Step 3: Cross multiply
   65,247.75x = 86,754.38 × 86,754.38
4. Step 4: Simplify right side
   65,247.75x = 7,526,321,581.64
5. Step 5: Solve for x
   x = 7,526,321,581.64/65,247.75
6. Step 6: Final answer
   x = 115,349.90