Finding the Third Proportional to 284,050.50 and 618,945

Step by Step Solution

1. Step 1: Write the proportion equation
   284,050.50 : 618,945 = 618,945 : x
2. Step 2: Convert to fraction form
   284,050.50/618,945 = 618,945/x
3. Step 3: Cross multiply
   284,050.50x = 618,945 × 618,945
4. Step 4: Simplify right side
   284,050.50x = 383,092,913,025
5. Step 5: Solve for x
   x = 383,092,913,025/284,050.50
6. Step 6: Final answer
   x = 1,348,678.89