Finding the Third Proportional to 65,769.19 and 142,047.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,769.19 : 142,047.56 = 142,047.56 : x
2. Step 2: Convert to fraction form
   65,769.19/142,047.56 = 142,047.56/x
3. Step 3: Cross multiply
   65,769.19x = 142,047.56 × 142,047.56
4. Step 4: Simplify right side
   65,769.19x = 20,177,510,012.19
5. Step 5: Solve for x
   x = 20,177,510,012.19/65,769.19
6. Step 6: Final answer
   x = 306,792.75