Finding the Third Proportional to 142,994 and 282,396

Step by Step Solution

1. Step 1: Write the proportion equation
   142,994 : 282,396 = 282,396 : x
2. Step 2: Convert to fraction form
   142,994/282,396 = 282,396/x
3. Step 3: Cross multiply
   142,994x = 282,396 × 282,396
4. Step 4: Simplify right side
   142,994x = 79,747,500,816
5. Step 5: Solve for x
   x = 79,747,500,816/142,994
6. Step 6: Final answer
   x = 557,698.23