Finding the Third Proportional to 65,482 and 139,508

Step by Step Solution

1. Step 1: Write the proportion equation
   65,482 : 139,508 = 139,508 : x
2. Step 2: Convert to fraction form
   65,482/139,508 = 139,508/x
3. Step 3: Cross multiply
   65,482x = 139,508 × 139,508
4. Step 4: Simplify right side
   65,482x = 19,462,482,064
5. Step 5: Solve for x
   x = 19,462,482,064/65,482
6. Step 6: Final answer
   x = 297,218.81