Finding the Third Proportional to 557,771 and 837,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   557,771 : 837,929.50 = 837,929.50 : x
2. Step 2: Convert to fraction form
   557,771/837,929.50 = 837,929.50/x
3. Step 3: Cross multiply
   557,771x = 837,929.50 × 837,929.50
4. Step 4: Simplify right side
   557,771x = 702,125,846,970.25
5. Step 5: Solve for x
   x = 702,125,846,970.25/557,771
6. Step 6: Final answer
   x = 1,258,806.66