Finding the Third Proportional to 69,544 and 142,393

Step by Step Solution

1. Step 1: Write the proportion equation
   69,544 : 142,393 = 142,393 : x
2. Step 2: Convert to fraction form
   69,544/142,393 = 142,393/x
3. Step 3: Cross multiply
   69,544x = 142,393 × 142,393
4. Step 4: Simplify right side
   69,544x = 20,275,766,449
5. Step 5: Solve for x
   x = 20,275,766,449/69,544
6. Step 6: Final answer
   x = 291,553.07