Finding the Third Proportional to 284,429.25 and 609,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,429.25 : 609,340.50 = 609,340.50 : x
2. Step 2: Convert to fraction form
   284,429.25/609,340.50 = 609,340.50/x
3. Step 3: Cross multiply
   284,429.25x = 609,340.50 × 609,340.50
4. Step 4: Simplify right side
   284,429.25x = 371,295,844,940.25
5. Step 5: Solve for x
   x = 371,295,844,940.25/284,429.25
6. Step 6: Final answer
   x = 1,305,406.69