Finding the Third Proportional to 142,199 and 301,894

Step by Step Solution

1. Step 1: Write the proportion equation
   142,199 : 301,894 = 301,894 : x
2. Step 2: Convert to fraction form
   142,199/301,894 = 301,894/x
3. Step 3: Cross multiply
   142,199x = 301,894 × 301,894
4. Step 4: Simplify right side
   142,199x = 91,139,987,236
5. Step 5: Solve for x
   x = 91,139,987,236/142,199
6. Step 6: Final answer
   x = 640,932.69