Finding the Third Proportional to 371,920.50 and 805,644

Step by Step Solution

1. Step 1: Write the proportion equation
   371,920.50 : 805,644 = 805,644 : x
2. Step 2: Convert to fraction form
   371,920.50/805,644 = 805,644/x
3. Step 3: Cross multiply
   371,920.50x = 805,644 × 805,644
4. Step 4: Simplify right side
   371,920.50x = 649,062,254,736
5. Step 5: Solve for x
   x = 649,062,254,736/371,920.50
6. Step 6: Final answer
   x = 1,745,163.97