Finding the Third Proportional to 65,785 and 144,068

Step by Step Solution

1. Step 1: Write the proportion equation
   65,785 : 144,068 = 144,068 : x
2. Step 2: Convert to fraction form
   65,785/144,068 = 144,068/x
3. Step 3: Cross multiply
   65,785x = 144,068 × 144,068
4. Step 4: Simplify right side
   65,785x = 20,755,588,624
5. Step 5: Solve for x
   x = 20,755,588,624/65,785
6. Step 6: Final answer
   x = 315,506.40