Finding the Third Proportional to 329,163 and 491,590.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,163 : 491,590.50 = 491,590.50 : x
2. Step 2: Convert to fraction form
   329,163/491,590.50 = 491,590.50/x
3. Step 3: Cross multiply
   329,163x = 491,590.50 × 491,590.50
4. Step 4: Simplify right side
   329,163x = 241,661,219,690.25
5. Step 5: Solve for x
   x = 241,661,219,690.25/329,163
6. Step 6: Final answer
   x = 734,168.85