Finding the Third Proportional to 284,622 and 611,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,622 : 611,455.50 = 611,455.50 : x
2. Step 2: Convert to fraction form
   284,622/611,455.50 = 611,455.50/x
3. Step 3: Cross multiply
   284,622x = 611,455.50 × 611,455.50
4. Step 4: Simplify right side
   284,622x = 373,877,828,480.25
5. Step 5: Solve for x
   x = 373,877,828,480.25/284,622
6. Step 6: Final answer
   x = 1,313,594.27