Finding the Third Proportional to 401,200.88 and 874,369.69

Step by Step Solution

1. Step 1: Write the proportion equation
   401,200.88 : 874,369.69 = 874,369.69 : x
2. Step 2: Convert to fraction form
   401,200.88/874,369.69 = 874,369.69/x
3. Step 3: Cross multiply
   401,200.88x = 874,369.69 × 874,369.69
4. Step 4: Simplify right side
   401,200.88x = 764,522,350,418.85
5. Step 5: Solve for x
   x = 764,522,350,418.85/401,200.88
6. Step 6: Final answer
   x = 1,905,584.95