Finding the Third Proportional to 370,759.50 and 809,478

Step by Step Solution

1. Step 1: Write the proportion equation
   370,759.50 : 809,478 = 809,478 : x
2. Step 2: Convert to fraction form
   370,759.50/809,478 = 809,478/x
3. Step 3: Cross multiply
   370,759.50x = 809,478 × 809,478
4. Step 4: Simplify right side
   370,759.50x = 655,254,632,484
5. Step 5: Solve for x
   x = 655,254,632,484/370,759.50
6. Step 6: Final answer
   x = 1,767,330.66