Finding the Third Proportional to 65,788 and 144,074

Step by Step Solution

1. Step 1: Write the proportion equation
   65,788 : 144,074 = 144,074 : x
2. Step 2: Convert to fraction form
   65,788/144,074 = 144,074/x
3. Step 3: Cross multiply
   65,788x = 144,074 × 144,074
4. Step 4: Simplify right side
   65,788x = 20,757,317,476
5. Step 5: Solve for x
   x = 20,757,317,476/65,788
6. Step 6: Final answer
   x = 315,518.29