Finding the Third Proportional to 284,022 and 612,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,022 : 612,328.50 = 612,328.50 : x
2. Step 2: Convert to fraction form
   284,022/612,328.50 = 612,328.50/x
3. Step 3: Cross multiply
   284,022x = 612,328.50 × 612,328.50
4. Step 4: Simplify right side
   284,022x = 374,946,191,912.25
5. Step 5: Solve for x
   x = 374,946,191,912.25/284,022
6. Step 6: Final answer
   x = 1,320,130.81