Finding the Third Proportional to 142,912 and 304,802

Step by Step Solution

1. Step 1: Write the proportion equation
   142,912 : 304,802 = 304,802 : x
2. Step 2: Convert to fraction form
   142,912/304,802 = 304,802/x
3. Step 3: Cross multiply
   142,912x = 304,802 × 304,802
4. Step 4: Simplify right side
   142,912x = 92,904,259,204
5. Step 5: Solve for x
   x = 92,904,259,204/142,912
6. Step 6: Final answer
   x = 650,080.18