Finding the Third Proportional to 65,786 and 144,070

Step by Step Solution

1. Step 1: Write the proportion equation
   65,786 : 144,070 = 144,070 : x
2. Step 2: Convert to fraction form
   65,786/144,070 = 144,070/x
3. Step 3: Cross multiply
   65,786x = 144,070 × 144,070
4. Step 4: Simplify right side
   65,786x = 20,756,164,900
5. Step 5: Solve for x
   x = 20,756,164,900/65,786
6. Step 6: Final answer
   x = 315,510.37