Finding the Third Proportional to 65,769.75 and 142,048.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,769.75 : 142,048.69 = 142,048.69 : x
2. Step 2: Convert to fraction form
   65,769.75/142,048.69 = 142,048.69/x
3. Step 3: Cross multiply
   65,769.75x = 142,048.69 × 142,048.69
4. Step 4: Simplify right side
   65,769.75x = 20,177,829,620.47
5. Step 5: Solve for x
   x = 20,177,829,620.47/65,769.75
6. Step 6: Final answer
   x = 306,794.99