Finding the Third Proportional to 401,155.50 and 874,257

Step by Step Solution

1. Step 1: Write the proportion equation
   401,155.50 : 874,257 = 874,257 : x
2. Step 2: Convert to fraction form
   401,155.50/874,257 = 874,257/x
3. Step 3: Cross multiply
   401,155.50x = 874,257 × 874,257
4. Step 4: Simplify right side
   401,155.50x = 764,325,302,049
5. Step 5: Solve for x
   x = 764,325,302,049/401,155.50
6. Step 6: Final answer
   x = 1,905,309.29