Finding the Third Proportional to 284,042.25 and 618,930

Step by Step Solution

1. Step 1: Write the proportion equation
   284,042.25 : 618,930 = 618,930 : x
2. Step 2: Convert to fraction form
   284,042.25/618,930 = 618,930/x
3. Step 3: Cross multiply
   284,042.25x = 618,930 × 618,930
4. Step 4: Simplify right side
   284,042.25x = 383,074,344,900
5. Step 5: Solve for x
   x = 383,074,344,900/284,042.25
6. Step 6: Final answer
   x = 1,348,652.69