Finding the Third Proportional to 65,598 and 143,508

Step by Step Solution

1. Step 1: Write the proportion equation
   65,598 : 143,508 = 143,508 : x
2. Step 2: Convert to fraction form
   65,598/143,508 = 143,508/x
3. Step 3: Cross multiply
   65,598x = 143,508 × 143,508
4. Step 4: Simplify right side
   65,598x = 20,594,546,064
5. Step 5: Solve for x
   x = 20,594,546,064/65,598
6. Step 6: Final answer
   x = 313,950.82