Finding the Third Proportional to 65,766.75 and 142,043.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,766.75 : 142,043.25 = 142,043.25 : x
2. Step 2: Convert to fraction form
   65,766.75/142,043.25 = 142,043.25/x
3. Step 3: Cross multiply
   65,766.75x = 142,043.25 × 142,043.25
4. Step 4: Simplify right side
   65,766.75x = 20,176,284,870.56
5. Step 5: Solve for x
   x = 20,176,284,870.56/65,766.75
6. Step 6: Final answer
   x = 306,785.49