Finding the Third Proportional to 375,168 and 821,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   375,168 : 821,488.50 = 821,488.50 : x
2. Step 2: Convert to fraction form
   375,168/821,488.50 = 821,488.50/x
3. Step 3: Cross multiply
   375,168x = 821,488.50 × 821,488.50
4. Step 4: Simplify right side
   375,168x = 674,843,355,632.25
5. Step 5: Solve for x
   x = 674,843,355,632.25/375,168
6. Step 6: Final answer
   x = 1,798,776.43