Finding the Third Proportional to 59,426 and 140,243

Step by Step Solution

1. Step 1: Write the proportion equation
   59,426 : 140,243 = 140,243 : x
2. Step 2: Convert to fraction form
   59,426/140,243 = 140,243/x
3. Step 3: Cross multiply
   59,426x = 140,243 × 140,243
4. Step 4: Simplify right side
   59,426x = 19,668,099,049
5. Step 5: Solve for x
   x = 19,668,099,049/59,426
6. Step 6: Final answer
   x = 330,967.91