Finding the Third Proportional to 142,636.22 and 301,187.67

Step by Step Solution

1. Step 1: Write the proportion equation
   142,636.22 : 301,187.67 = 301,187.67 : x
2. Step 2: Convert to fraction form
   142,636.22/301,187.67 = 301,187.67/x
3. Step 3: Cross multiply
   142,636.22x = 301,187.67 × 301,187.67
4. Step 4: Simplify right side
   142,636.22x = 90,714,013,689.48
5. Step 5: Solve for x
   x = 90,714,013,689.48/142,636.22
6. Step 6: Final answer
   x = 635,981.62