Finding the Third Proportional to 371,320.50 and 557,802

Step by Step Solution

1. Step 1: Write the proportion equation
   371,320.50 : 557,802 = 557,802 : x
2. Step 2: Convert to fraction form
   371,320.50/557,802 = 557,802/x
3. Step 3: Cross multiply
   371,320.50x = 557,802 × 557,802
4. Step 4: Simplify right side
   371,320.50x = 311,143,071,204
5. Step 5: Solve for x
   x = 311,143,071,204/371,320.50
6. Step 6: Final answer
   x = 837,936.69