Finding the Third Proportional to 403,790.50 and 874,451

Step by Step Solution

1. Step 1: Write the proportion equation
   403,790.50 : 874,451 = 874,451 : x
2. Step 2: Convert to fraction form
   403,790.50/874,451 = 874,451/x
3. Step 3: Cross multiply
   403,790.50x = 874,451 × 874,451
4. Step 4: Simplify right side
   403,790.50x = 764,664,551,401
5. Step 5: Solve for x
   x = 764,664,551,401/403,790.50
6. Step 6: Final answer
   x = 1,893,716.05