Finding the Third Proportional to 65,600 and 143,510

Step by Step Solution

1. Step 1: Write the proportion equation
   65,600 : 143,510 = 143,510 : x
2. Step 2: Convert to fraction form
   65,600/143,510 = 143,510/x
3. Step 3: Cross multiply
   65,600x = 143,510 × 143,510
4. Step 4: Simplify right side
   65,600x = 20,595,120,100
5. Step 5: Solve for x
   x = 20,595,120,100/65,600
6. Step 6: Final answer
   x = 313,950.00