Finding the Third Proportional to 369,419.50 and 797,780

Step by Step Solution

1. Step 1: Write the proportion equation
   369,419.50 : 797,780 = 797,780 : x
2. Step 2: Convert to fraction form
   369,419.50/797,780 = 797,780/x
3. Step 3: Cross multiply
   369,419.50x = 797,780 × 797,780
4. Step 4: Simplify right side
   369,419.50x = 636,452,928,400
5. Step 5: Solve for x
   x = 636,452,928,400/369,419.50
6. Step 6: Final answer
   x = 1,722,846.06