Finding the Third Proportional to 142,201 and 301,898

Step by Step Solution

1. Step 1: Write the proportion equation
   142,201 : 301,898 = 301,898 : x
2. Step 2: Convert to fraction form
   142,201/301,898 = 301,898/x
3. Step 3: Cross multiply
   142,201x = 301,898 × 301,898
4. Step 4: Simplify right side
   142,201x = 91,142,402,404
5. Step 5: Solve for x
   x = 91,142,402,404/142,201
6. Step 6: Final answer
   x = 640,940.66