Finding the Third Proportional to 142,065 and 301,650

Step by Step Solution

1. Step 1: Write the proportion equation
   142,065 : 301,650 = 301,650 : x
2. Step 2: Convert to fraction form
   142,065/301,650 = 301,650/x
3. Step 3: Cross multiply
   142,065x = 301,650 × 301,650
4. Step 4: Simplify right side
   142,065x = 90,992,722,500
5. Step 5: Solve for x
   x = 90,992,722,500/142,065
6. Step 6: Final answer
   x = 640,500.63