Finding the Third Proportional to 346,404 and 809,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   346,404 : 809,356.50 = 809,356.50 : x
2. Step 2: Convert to fraction form
   346,404/809,356.50 = 809,356.50/x
3. Step 3: Cross multiply
   346,404x = 809,356.50 × 809,356.50
4. Step 4: Simplify right side
   346,404x = 655,057,944,092.25
5. Step 5: Solve for x
   x = 655,057,944,092.25/346,404
6. Step 6: Final answer
   x = 1,891,023.04