Finding the Third Proportional to 142,161 and 301,816

Step by Step Solution

1. Step 1: Write the proportion equation
   142,161 : 301,816 = 301,816 : x
2. Step 2: Convert to fraction form
   142,161/301,816 = 301,816/x
3. Step 3: Cross multiply
   142,161x = 301,816 × 301,816
4. Step 4: Simplify right side
   142,161x = 91,092,897,856
5. Step 5: Solve for x
   x = 91,092,897,856/142,161
6. Step 6: Final answer
   x = 640,772.77