Finding the Third Proportional to 65,751.75 and 143,803.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,751.75 : 143,803.69 = 143,803.69 : x
2. Step 2: Convert to fraction form
   65,751.75/143,803.69 = 143,803.69/x
3. Step 3: Cross multiply
   65,751.75x = 143,803.69 × 143,803.69
4. Step 4: Simplify right side
   65,751.75x = 20,679,500,538.60
5. Step 5: Solve for x
   x = 20,679,500,538.60/65,751.75
6. Step 6: Final answer
   x = 314,508.75