Finding the Third Proportional to 284,031 and 616,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,031 : 616,344.50 = 616,344.50 : x
2. Step 2: Convert to fraction form
   284,031/616,344.50 = 616,344.50/x
3. Step 3: Cross multiply
   284,031x = 616,344.50 × 616,344.50
4. Step 4: Simplify right side
   284,031x = 379,880,542,680.25
5. Step 5: Solve for x
   x = 379,880,542,680.25/284,031
6. Step 6: Final answer
   x = 1,337,461.55