Finding the Third Proportional to 146,476 and 315,032

Step by Step Solution

1. Step 1: Write the proportion equation
   146,476 : 315,032 = 315,032 : x
2. Step 2: Convert to fraction form
   146,476/315,032 = 315,032/x
3. Step 3: Cross multiply
   146,476x = 315,032 × 315,032
4. Step 4: Simplify right side
   146,476x = 99,245,161,024
5. Step 5: Solve for x
   x = 99,245,161,024/146,476
6. Step 6: Final answer
   x = 677,552.37