Finding the Third Proportional to 284,418 and 658,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,418 : 658,435.50 = 658,435.50 : x
2. Step 2: Convert to fraction form
   284,418/658,435.50 = 658,435.50/x
3. Step 3: Cross multiply
   284,418x = 658,435.50 × 658,435.50
4. Step 4: Simplify right side
   284,418x = 433,537,307,660.25
5. Step 5: Solve for x
   x = 433,537,307,660.25/284,418
6. Step 6: Final answer
   x = 1,524,296.31