Finding the Third Proportional to 361,141 and 483,147

Step by Step Solution

1. Step 1: Write the proportion equation
   361,141 : 483,147 = 483,147 : x
2. Step 2: Convert to fraction form
   361,141/483,147 = 483,147/x
3. Step 3: Cross multiply
   361,141x = 483,147 × 483,147
4. Step 4: Simplify right side
   361,141x = 233,431,023,609
5. Step 5: Solve for x
   x = 233,431,023,609/361,141
6. Step 6: Final answer
   x = 646,370.87