Finding the Third Proportional to 544,045.50 and 817,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,045.50 : 817,435.50 = 817,435.50 : x
2. Step 2: Convert to fraction form
   544,045.50/817,435.50 = 817,435.50/x
3. Step 3: Cross multiply
   544,045.50x = 817,435.50 × 817,435.50
4. Step 4: Simplify right side
   544,045.50x = 668,200,796,660.25
5. Step 5: Solve for x
   x = 668,200,796,660.25/544,045.50
6. Step 6: Final answer
   x = 1,228,207.56