Finding the Third Proportional to 65,190 and 143,052

Step by Step Solution

1. Step 1: Write the proportion equation
   65,190 : 143,052 = 143,052 : x
2. Step 2: Convert to fraction form
   65,190/143,052 = 143,052/x
3. Step 3: Cross multiply
   65,190x = 143,052 × 143,052
4. Step 4: Simplify right side
   65,190x = 20,463,874,704
5. Step 5: Solve for x
   x = 20,463,874,704/65,190
6. Step 6: Final answer
   x = 313,911.25