Finding the Third Proportional to 142,887 and 301,812

Step by Step Solution

1. Step 1: Write the proportion equation
   142,887 : 301,812 = 301,812 : x
2. Step 2: Convert to fraction form
   142,887/301,812 = 301,812/x
3. Step 3: Cross multiply
   142,887x = 301,812 × 301,812
4. Step 4: Simplify right side
   142,887x = 91,090,483,344
5. Step 5: Solve for x
   x = 91,090,483,344/142,887
6. Step 6: Final answer
   x = 637,500.15