Finding the Third Proportional to 544,437 and 817,195.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,437 : 817,195.50 = 817,195.50 : x
2. Step 2: Convert to fraction form
   544,437/817,195.50 = 817,195.50/x
3. Step 3: Cross multiply
   544,437x = 817,195.50 × 817,195.50
4. Step 4: Simplify right side
   544,437x = 667,808,485,220.25
5. Step 5: Solve for x
   x = 667,808,485,220.25/544,437
6. Step 6: Final answer
   x = 1,226,603.79