Finding the Third Proportional to 377,874 and 798,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   377,874 : 798,403.50 = 798,403.50 : x
2. Step 2: Convert to fraction form
   377,874/798,403.50 = 798,403.50/x
3. Step 3: Cross multiply
   377,874x = 798,403.50 × 798,403.50
4. Step 4: Simplify right side
   377,874x = 637,448,148,812.25
5. Step 5: Solve for x
   x = 637,448,148,812.25/377,874
6. Step 6: Final answer
   x = 1,686,933.08