Finding the Third Proportional to 401,522 and 587,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,522 : 587,176.50 = 587,176.50 : x
2. Step 2: Convert to fraction form
   401,522/587,176.50 = 587,176.50/x
3. Step 3: Cross multiply
   401,522x = 587,176.50 × 587,176.50
4. Step 4: Simplify right side
   401,522x = 344,776,242,152.25
5. Step 5: Solve for x
   x = 344,776,242,152.25/401,522
6. Step 6: Final answer
   x = 858,673.35