Finding the Third Proportional to 65,806.50 and 105,977.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,806.50 : 105,977.25 = 105,977.25 : x
2. Step 2: Convert to fraction form
   65,806.50/105,977.25 = 105,977.25/x
3. Step 3: Cross multiply
   65,806.50x = 105,977.25 × 105,977.25
4. Step 4: Simplify right side
   65,806.50x = 11,231,177,517.56
5. Step 5: Solve for x
   x = 11,231,177,517.56/65,806.50
6. Step 6: Final answer
   x = 170,669.73