Finding the Third Proportional to 401,521.50 and 587,196

Step by Step Solution

1. Step 1: Write the proportion equation
   401,521.50 : 587,196 = 587,196 : x
2. Step 2: Convert to fraction form
   401,521.50/587,196 = 587,196/x
3. Step 3: Cross multiply
   401,521.50x = 587,196 × 587,196
4. Step 4: Simplify right side
   401,521.50x = 344,799,142,416
5. Step 5: Solve for x
   x = 344,799,142,416/401,521.50
6. Step 6: Final answer
   x = 858,731.46