Finding the Third Proportional to 184,498.50 and 397,311

Step by Step Solution

1. Step 1: Write the proportion equation
   184,498.50 : 397,311 = 397,311 : x
2. Step 2: Convert to fraction form
   184,498.50/397,311 = 397,311/x
3. Step 3: Cross multiply
   184,498.50x = 397,311 × 397,311
4. Step 4: Simplify right side
   184,498.50x = 157,856,030,721
5. Step 5: Solve for x
   x = 157,856,030,721/184,498.50
6. Step 6: Final answer
   x = 855,595.20