Finding the Third Proportional to 65,982.38 and 143,872.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,982.38 : 143,872.88 = 143,872.88 : x
2. Step 2: Convert to fraction form
   65,982.38/143,872.88 = 143,872.88/x
3. Step 3: Cross multiply
   65,982.38x = 143,872.88 × 143,872.88
4. Step 4: Simplify right side
   65,982.38x = 20,699,404,160.77
5. Step 5: Solve for x
   x = 20,699,404,160.77/65,982.38
6. Step 6: Final answer
   x = 313,711.11